add WIP mac imp

Zhao Yuhang

2023-12-13 2a1e707b1cf530b00a5c0f3766466f10bd617619

 src/quick/quickwindowagent_win.cpp

@@ -82,7 +82,7 @@

    bool BorderItem::observe(QEvent *event) {
        switch (event->type()) {
            case QEvent::UpdateRequest: {
            case QEvent::UpdateLater: {
                update();
                break;
            }