Link "Admin panel" to /admin instead of deep-linking to the connectors page

Let's get rid of the papercut 404 here

web/src/app/admin/page.tsx

@@ -0,0 +1,6 @@
+import { redirect } from "next/navigation";
+
+export default async function Page() {
+  // Replace me when you have something better!
+  redirect("/admin/indexing/status");
+}

web/src/components/UserDropdown.tsx

@@ -152,14 +152,14 @@ export function UserDropdown({
 
             {showAdminPanel ? (
               <DropdownOption
-                href="/admin/indexing/status"
+                href="/admin"
                 icon={<LightSettingsIcon className="h-5 w-5 my-auto mr-2" />}
                 label="Admin Panel"
               />
             ) : (
               showCuratorPanel && (
                 <DropdownOption
-                  href="/admin/indexing/status"
+                  href="/admin"
                   icon={<LightSettingsIcon className="h-5 w-5 my-auto mr-2" />}
                   label="Curator Panel"
                 />