fix: it was possible to go to the create user page when credentials login disabled (#1217)

apps/nextjs/src/app/[locale]/manage/users/create/page.tsx

@@ -1,3 +1,6 @@
+import { notFound } from "next/navigation";
+
+import { isProviderEnabled } from "@homarr/auth/server";
 import { getScopedI18n } from "@homarr/translation/server";
 
 import { DynamicBreadcrumb } from "~/components/navigation/dynamic-breadcrumb";
@@ -5,6 +8,8 @@ import { createMetaTitle } from "~/metadata";
 import { UserCreateStepperComponent } from "./_components/create-user-stepper";
 
 export async function generateMetadata() {
+  if (!isProviderEnabled("credentials")) return {};
+
   const t = await getScopedI18n("management.page.user.create");
 
   return {
@@ -13,6 +18,10 @@ export async function generateMetadata() {
 }
 
 export default function CreateUserPage() {
+  if (!isProviderEnabled("credentials")) {
+    notFound();
+  }
+
   return (
     <>
       <DynamicBreadcrumb />