Add Gate for viewing telescope in production

app/Providers/TelescopeServiceProvider.php

@@ -63,9 +63,7 @@ class TelescopeServiceProvider extends TelescopeApplicationServiceProvider
     protected function gate()
     {
         Gate::define('viewTelescope', function ($user) {
-            return in_array($user->email, [
-                //
-            ]);
+            return $user->mglnr == 90166;
         });
     }
 }