add better page loading indicator

src/app/[orgId]/loading.tsx

@@ -1,9 +1,5 @@
-import { Loader2 } from "lucide-react";
+import OrgRouteLoading from "@app/components/OrgRouteLoading";
 
 export default function OrgPageLoading() {
-    return (
-        <div className="flex items-center justify-center py-16">
-            <Loader2 className="size-6 animate-spin text-muted-foreground" />
-        </div>
-    );
+    return <OrgRouteLoading />;
 }