win: use modern API

Zhao Yuhang

2023-12-22 adb46e1e151b73e56a7e0066a896b48b92a7230e

 src/quick/quickitemdelegate_p.h

@@ -39,6 +39,7 @@
        void setCursorShape(QObject *host, Qt::CursorShape shape) const override;
        void restoreCursorShape(QObject *host) const override;
        void setWindowFlags(QObject *host, Qt::WindowFlags flags) const override;
        void bringWindowToTop(QObject *host) const override;
    };

}