fixes login page in tenant admin pwa

app/Http/Controllers/Api/Tenant/TenantAdminTokenController.php

@@ -8,6 +8,7 @@ use App\Models\Tenant;
 use App\Models\User;
 use Illuminate\Http\JsonResponse;
 use Illuminate\Http\Request;
+use Illuminate\Http\Response;
 use Illuminate\Support\Arr;
 use Illuminate\Support\Facades\Auth;
 use Illuminate\Support\Facades\Hash;
@@ -152,16 +153,13 @@ class TenantAdminTokenController extends Controller
         ]);
     }
 
-    public function exchange(Request $request): JsonResponse
+    public function exchange(Request $request): JsonResponse|Response
     {
         /** @var User|null $user */
         $user = Auth::guard('web')->user();
 
         if (! $user) {
-            return response()->json([
-                'error' => 'unauthenticated',
-                'message' => trans('auth.failed'),
-            ], 401);
+            return response()->noContent();
         }
 
         if (! in_array($user->role, ['tenant_admin', 'super_admin'], true)) {