Filtering DBs and option for pin(fav)(#2301)

* implemented search bar

* formatting corrected

* added pin(fav) and sorting in local in sidebar tree of DE

* reverted changes

* fixed lint and formatting issues

* fixed lint and formatting issues

* theme toggle button is disabled if in portal

* fixed lint error

* added link on disabled theme toggle button

* updated the variable for pin icon

* removed en-us from url

---------

Co-authored-by: nishthaAhujaa <nishtha17354@iiittd.ac.in>
Co-authored-by: sakshigupta12feb <sakshigupta12feb1@gmail.com>
Co-authored-by: Sakshi Gupta <sakshig@microsoft.com>

src/Explorer/Controls/CommandButton/CommandButtonComponent.tsx

@@ -58,6 +58,11 @@ export interface CommandButtonComponentProps {
    */
   tooltipText?: string;
 
+  /**
+   * Rich JSX content for tooltip (used instead of tooltipText when provided)
+   */
+  tooltipContent?: React.ReactNode;
+
   /**
    * Custom styles to apply to the button using Fluent UI theme tokens
    */