feat: restrict non credential provider interactions (#871)

* wip: add provider field to sqlite user table

* feat: disable invites when credentials provider is not used

* wip: add migration for provider field in user table with sqlite

* wip: remove fields that can not be modified by non credential users

* wip: make username, mail and avatar disabled instead of hidden

* wip: external users membership of group cannot be managed manually

* feat: add alerts to inform about disabled fields and managing group members

* wip: add mysql migration for provider on user table

* chore: fix format issues

* chore: address pull request feedback

* fix: build issue

* fix: deepsource issues

* fix: tests not working

* feat: restrict login to specific auth providers

* chore: address pull request feedback

* fix: deepsource issue

apps/nextjs/src/app/[locale]/auth/invite/[id]/page.tsx

@@ -2,6 +2,7 @@ import { notFound } from "next/navigation";
 import { Card, Center, Stack, Text, Title } from "@mantine/core";
 
 import { auth } from "@homarr/auth/next";
+import { isProviderEnabled } from "@homarr/auth/server";
 import { and, db, eq } from "@homarr/db";
 import { invites } from "@homarr/db/schema/sqlite";
 import { getScopedI18n } from "@homarr/translation/server";
@@ -19,6 +20,8 @@ interface InviteUsagePageProps {
 }
 
 export default async function InviteUsagePage({ params, searchParams }: InviteUsagePageProps) {
+  if (!isProviderEnabled("credentials")) notFound();
+
   const session = await auth();
   if (session) notFound();