quickwindowagent: Remove const for HitTestVisible API.

Dylan Liu

2024-05-30 ef7c04cd9ac06b64c516db47bda6f4d9c12db3b9

 examples/mainwindow/mainwindow.h

@@ -30,6 +30,8 @@
protected:
    bool event(QEvent *event) override;

    void closeEvent(QCloseEvent *event) override;

private:
    void installWindowAgent();
    void loadStyleSheet(Theme theme);