feat(config): support disabling rooms and sync auth tokens

- Add support for `disabled_rooms` to remove rooms from active configuration
- Sync auth tokens from server to client to prevent state drift
- Enable `allow_local_address` for Talk API requests
- Update settings page to fetch configured rooms instead of available ones

lib/Controller/WebhookController.php

@@ -191,7 +191,10 @@ class WebhookController extends Controller {
 
         $this->talkService->saveConfig($config);
 
-        return new DataResponse(['status' => 'ok']);
+        return new DataResponse([
+            'status' => 'ok',
+            'auth_tokens' => $this->talkService->getAuthTokens(),
+        ]);
     }
 
     /**