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/Menus/CommandBar/CommandBarComponentButtonFactory.tsx

@@ -167,7 +167,7 @@ export function createContextCommandBarButtons(
 
 export function createControlCommandBarButtons(container: Explorer): CommandButtonComponentProps[] {
   const buttons: CommandButtonComponentProps[] = [
-    ThemeToggleButton(),
+    ThemeToggleButton(configContext.platform === Platform.Portal),
     {
       iconSrc: SettingsIcon,
       iconAlt: "Settings",