message: fix: incorrect return type of app.updateAppSettings
diff: @@ -494,7 +494,7 @@ export class AppClient {
  fileKey: string;
  };
  }
  - | { type: "PRESET"; key: "string" };
  + | { type: "PRESET"; key: string };
  theme?:
  | "WHITE"
  | "CLIPBOARD"
  