win: use modern API

Zhao Yuhang

2023-12-22 adb46e1e151b73e56a7e0066a896b48b92a7230e

 src/core/contexts/qtwindowcontext_p.h

@@ -24,7 +24,7 @@
        void virtual_hook(int id, void *data) override;

    protected:
        void winIdChanged(QWindow *oldWindow, bool isDestroyed) override;
        void winIdChanged() override;

    protected:
        std::unique_ptr<QObject> qtWindowEventFilter;