Refactor registration and dashboard features to support invite codes and Bunny uploads

- Moved registration logic to a new client component for better separation of concerns.
- Integrated invite code requirement based on feature flags in the registration process.
- Enhanced dashboard functionality to conditionally enable Bunny uploads based on feature flags.
- Updated various components and API routes to check for Bunny uploads and Stripe billing feature flags.
- Added new feature flag utilities for managing feature toggles in the application.

components/video-drag-drop-uploader.tsx

@@ -158,6 +158,13 @@ export function VideoDragDropUploader({
     }
   }, [canUpload, needsProjectSelection, projectOptions, workspaceId]);
 
+  useEffect(() => {
+    if (!canUpload) {
+      setDialogOpen(false);
+      setDroppedFile(null);
+    }
+  }, [canUpload]);
+
   useEffect(() => {
     hasLoadedProjectsRef.current = false;
     if (projectOptions && projectOptions.length > 0) {