fix: folder view all page nested navigation and search filtering (#2450)

Add parentId query param support to documents/templates folder index
pages so View All correctly shows subfolders. Fix search not filtering
unpinned folders on documents page and broken mt- Tailwind class on
templates page.

apps/remix/app/components/embed/embed-client-loading.tsx

@@ -3,7 +3,7 @@ import { Loader } from 'lucide-react';
 
 export const EmbedClientLoading = () => {
   return (
-    <div className="bg-background fixed left-0 top-0 z-[9999] flex h-full w-full items-center justify-center">
+    <div className="fixed left-0 top-0 z-[9999] flex h-full w-full items-center justify-center bg-background">
       <Loader className="mr-2 h-4 w-4 animate-spin" />
 
       <span>