Implement Windows SysMenu handling

Sine Striker

2024-05-07 e0b59294fc9e9dc8198b8c504860353b6bec0124

 src/core/contexts/qtwindowcontext_p.h

@@ -28,7 +28,7 @@
        void virtual_hook(int id, void *data) override;

    protected:
        void winIdChanged() override;
        void winIdChanged(WId winId, WId oldWinId) override;

    protected:
        std::unique_ptr<SharedEventFilter> qtWindowEventFilter;