Dark theme for Explorer (#2185)

* First dark theme commits for command bar

* Updated theme on sidebar

* Updated tabs, sidebar, splash screen

* settings theme changes

* Dark theme applied to Monaco editor

* Dark theme to stored procedures

* Fixed sidebar scroll

* Updated scroll issue in sidebar

* Command bar items fixed

* Fixed lint errors

* fixed lint errors

* settings side panel fixed

* Second last iteration for css

* Fixed all the issues of css

* Updated the theme icon for now on DE to change the theme from portal/DE itself

* Formatting issue resolved

* Remove CloudShellTerminalComponent changes - revert to master version

* Fixed test issue

* Fixed formatting issue

* Fix tests: update snapshots and revert xterm imports for compatibility

* Fix xterm imports in CloudShellTerminalComponent to use @xterm packages

* Fix Cloud Shell component imports for compatibility

* Update test snapshots

* Fix xterm package consistency across all CloudShell components

* Fix TypeScript compilation errors in CloudShell components and query Documents

- Standardized xterm package imports across CloudShell components to use legacy 'xterm' package
- Fixed Terminal type compatibility issues in CommonUtils.tsx
- Added type casting for enableQueryControl property in queryDocuments.ts to handle Azure Cosmos SDK interface limitations
- Applied code formatting to ensure consistency

* Update failing snapshot tests

- Updated TreeNodeComponent snapshot tests for loading states
- Updated ThroughputInputAutoPilotV3Component snapshots for number formatting changes (10,00,000 -> 1,000,000)
- All snapshot tests now pass

* Fixed test issue

* Fixed test issue

* Updated the buttons for theme

* Updated the Theme changes based on portal theme changes

* Updated review comments

* Updated the duplicate code and fixed the fabric react error

* Few places styling added and resolving few comments

* Fixed errors

* Fixed comments

* Fixed comments

* Fixed comments

* Fixed full text policy issue for mongoru accounts

* Resolved comments for class Name and few others

* Added css for homepage in ru accounts

* Final commit with all the feedback issues resolved

* Lint error resolved

* Updated the review comments and few Ui issues

* Resolved review comments and changed header bg and active state color

* Moved svg code to different file and imported

* css fixed for the hpome page boxed for ru account

* Lint errors

* Fixed boxes issue in ru accounts

* Handled the initial theme from the portal

* Updated snap

* Update snapshots for TreeNodeComponent and CreateCopyJobScreensProvider tests

* Fix duplicate DataExplorerRoot test id causing Playwright strict mode violation

* Fix locale-dependent number formatting in ThroughputInputAutoPilotV3Component

---------

Co-authored-by: Sakshi Gupta <sakshig+microsoft@microsoft.com>
Co-authored-by: Sakshi Gupta <sakshig@microsoft.com>

src/Explorer/Controls/FullTextSeach/FullTextPoliciesComponent.tsx

@@ -2,6 +2,7 @@ import {
   DefaultButton,
   Dropdown,
   IDropdownOption,
+  IDropdownStyles,
   IStyleFunctionOrObject,
   ITextFieldStyleProps,
   ITextFieldStyles,
@@ -35,31 +36,167 @@ export interface FullTextPolicyData {
 const labelStyles = {
   root: {
     fontSize: 12,
+    color: "var(--colorNeutralForeground1)",
   },
 };
 
 const textFieldStyles: IStyleFunctionOrObject<ITextFieldStyleProps, ITextFieldStyles> = {
   fieldGroup: {
     height: 27,
+    backgroundColor: "var(--colorNeutralBackground2)",
+    borderColor: "var(--colorNeutralStroke1)",
   },
   field: {
     fontSize: 12,
     padding: "0 8px",
+    color: "var(--colorNeutralForeground1)",
+    backgroundColor: "var(--colorNeutralBackground2)",
+  },
+  root: {
+    selectors: {
+      input: {
+        backgroundColor: "var(--colorNeutralBackground2)",
+        color: "var(--colorNeutralForeground1)",
+      },
+      "input:hover": {
+        backgroundColor: "var(--colorNeutralBackground2)",
+        borderColor: "var(--colorNeutralStroke1)",
+      },
+      "input:focus": {
+        backgroundColor: "var(--colorNeutralBackground2)",
+        borderColor: "var(--colorBrandBackground)",
+      },
+    },
   },
 };
 
-const dropdownStyles = {
-  title: {
-    height: 27,
-    lineHeight: "24px",
-    fontSize: 12,
+const dropdownStyles: Partial<IDropdownStyles> = {
+  root: {
+    width: "40%",
+    marginTop: "10px",
+    selectors: {
+      "&:hover .ms-Dropdown-title": {
+        color: "var(--colorNeutralForeground1)",
+        backgroundColor: "var(--colorNeutralBackground2)",
+        borderColor: "var(--colorNeutralStroke1)",
+      },
+      "&:hover span.ms-Dropdown-title": {
+        color: "var(--colorNeutralForeground1)",
+      },
+      "&:focus .ms-Dropdown-title": {
+        color: "var(--colorNeutralForeground1)",
+        backgroundColor: "var(--colorNeutralBackground2)",
+      },
+      "&:focus span.ms-Dropdown-title": {
+        color: "var(--colorNeutralForeground1)",
+      },
+    },
+  },
+  label: {
+    color: "var(--colorNeutralForeground1)",
   },
   dropdown: {
-    height: 27,
-    lineHeight: "24px",
+    backgroundColor: "var(--colorNeutralBackground2)",
+    borderColor: "var(--colorNeutralStroke1)",
+    color: "var(--colorNeutralForeground1)",
+  },
+  title: {
+    backgroundColor: "var(--colorNeutralBackground2)",
+    color: "var(--colorNeutralForeground1)",
+    borderColor: "var(--colorNeutralStroke1)",
+    selectors: {
+      "&:hover": {
+        backgroundColor: "var(--colorNeutralBackground2)",
+        color: "var(--colorNeutralForeground1)",
+      },
+      "&:focus": {
+        backgroundColor: "var(--colorNeutralBackground2)",
+        color: "var(--colorNeutralForeground1)",
+      },
+      "&:hover .ms-Dropdown-titleText": {
+        color: "var(--colorNeutralForeground1)",
+      },
+      "&:focus .ms-Dropdown-titleText": {
+        color: "var(--colorNeutralForeground1)",
+      },
+      "& .ms-Dropdown-titleText": {
+        color: "var(--colorNeutralForeground1)",
+      },
+      "&.ms-Dropdown-title--hasPlaceholder": {
+        color: "var(--colorNeutralForeground2)",
+      },
+    },
+  },
+  errorMessage: {
+    color: "var(--colorNeutralForeground1)",
+  },
+  caretDown: {
+    color: "var(--colorNeutralForeground1)",
+  },
+  callout: {
+    backgroundColor: "var(--colorNeutralBackground2)",
+    border: "1px solid var(--colorNeutralStroke1)",
+  },
+  dropdownItems: {
+    backgroundColor: "var(--colorNeutralBackground2)",
   },
   dropdownItem: {
-    fontSize: 12,
+    backgroundColor: "transparent",
+    color: "var(--colorNeutralForeground1)",
+    minHeight: "36px",
+    lineHeight: "36px",
+    selectors: {
+      "&:hover": {
+        backgroundColor: "rgba(255, 255, 255, 0.1)",
+        color: "var(--colorNeutralForeground1)",
+      },
+      "&:hover .ms-Dropdown-optionText": {
+        color: "var(--colorNeutralForeground1)",
+      },
+      "&:focus": {
+        backgroundColor: "rgba(255, 255, 255, 0.1)",
+        color: "var(--colorNeutralForeground1)",
+      },
+      "&:active": {
+        backgroundColor: "rgba(255, 255, 255, 0.15)",
+        color: "var(--colorNeutralForeground1)",
+      },
+      "& .ms-Dropdown-optionText": {
+        color: "var(--colorNeutralForeground1)",
+      },
+    },
+  },
+  dropdownItemSelected: {
+    backgroundColor: "rgba(255, 255, 255, 0.08)",
+    color: "var(--colorNeutralForeground1)",
+    minHeight: "36px",
+    lineHeight: "36px",
+    selectors: {
+      "&:hover": {
+        backgroundColor: "rgba(255, 255, 255, 0.1)",
+        color: "var(--colorNeutralForeground1)",
+      },
+      "&:hover .ms-Dropdown-optionText": {
+        color: "var(--colorNeutralForeground1)",
+      },
+      "&:focus": {
+        backgroundColor: "rgba(255, 255, 255, 0.1)",
+        color: "var(--colorNeutralForeground1)",
+      },
+      "&:active": {
+        backgroundColor: "rgba(255, 255, 255, 0.15)",
+        color: "var(--colorNeutralForeground1)",
+      },
+      "& .ms-Dropdown-optionText": {
+        color: "var(--colorNeutralForeground1)",
+      },
+    },
+  },
+  dropdownOptionText: {
+    color: "var(--colorNeutralForeground1)",
+  },
+  dropdownItemHeader: {
+    color: "var(--colorNeutralForeground1)",
   },
 };
 
@@ -226,7 +363,32 @@ export const FullTextPoliciesComponent: React.FunctionComponent<FullTextPolicies
             </Stack>
           </CollapsibleSectionComponent>
         ))}
-      <DefaultButton id={`add-vector-policy`} styles={{ root: { maxWidth: 170, fontSize: 12 } }} onClick={onAdd}>
+      <DefaultButton
+        id={`add-vector-policy`}
+        styles={{
+          root: {
+            maxWidth: 170,
+            fontSize: 12,
+            color: "var(--colorNeutralForeground1)",
+            backgroundColor: "transparent",
+            borderColor: "var(--colorNeutralStroke1)",
+          },
+          rootHovered: {
+            color: "var(--colorNeutralForeground1)",
+            backgroundColor: "transparent",
+            borderColor: "var(--colorNeutralForeground1)",
+          },
+          rootPressed: {
+            color: "var(--colorNeutralForeground1)",
+            backgroundColor: "transparent",
+            borderColor: "var(--colorNeutralForeground1)",
+          },
+          rootDisabled: {
+            backgroundColor: "transparent",
+          },
+        }}
+        onClick={onAdd}
+      >
         Add full text path
       </DefaultButton>
     </Stack>