Prepare to remove style support again

SineStriker

2023-12-22 a5d13e19dd7f6037e10b649c49805922ae5e0fa6

 src/core/windowitemdelegate_p.h

@@ -43,6 +43,7 @@
        virtual void setCursorShape(QObject *host, Qt::CursorShape shape) const = 0;
        virtual void restoreCursorShape(QObject *host) const = 0;
        virtual void setWindowFlags(QObject *host, Qt::WindowFlags flags) const = 0;
        virtual void bringWindowToTop(QObject *host) const = 0;

    private:
        Q_DISABLE_COPY(WindowItemDelegate)