simplify code

Yuhang Zhao

2023-12-11 438327d56e7c88dd3fbee3d83223d29e5de90653

 src/widgets/widgetwindowagent_p.h

@@ -16,6 +16,8 @@

        // Host
        QWidget *hostWidget{};

        std::unique_ptr<QObject> paintFilter;
    };

}