fix(multimonitor): Study browser more menu fixes (#5208)

extensions/default/src/Components/MoreDropdownMenu.tsx

@@ -41,7 +41,7 @@ const getMenuItemsDefault = ({ commandsManager, items, ...props }: withAppTypes)
     </DropdownMenuItem>
   );
 
-  const MenuItemComponent = menuContent?.content || DefaultMenuItem;
+  const MenuItemComponent = menuContent ?? DefaultMenuItem;
 
   return (
     <DropdownMenuContent

platform/core/src/services/CustomizationService/CustomizationService.ts

@@ -131,7 +131,11 @@ export default class CustomizationService extends PubSubService {
       }
     });
 
-    this.addReferences(this.configuration);
+    // Only add references for the configuration once.
+    if (!this.configuration?._hasBeenAdded) {
+      this.addReferences(this.configuration);
+      Object.defineProperty(this.configuration, '_hasBeenAdded', { value: true, writable: false });
+    }
   }
 
   public onModeEnter(): void {

platform/ui-next/src/components/ScrollArea/ScrollArea.tsx

@@ -56,7 +56,7 @@ const ScrollArea = React.forwardRef<
   return (
     <ScrollAreaPrimitive.Root
       ref={ref}
-      className={cn('relative h-full overflow-hidden', className)}
+      className={cn('relative h-full overflow-hidden', className, '[&>div>div]:!block')}
       type={props.type}
       {...props}
     >