Better workaround for win10 top border issue

Sine Striker

2024-02-25 40d73269371a9e2b142eb2be2bd2f70aff6346d2

 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);