fix system menu

Zhao Yuhang

2023-12-09 3a5e5aea06e87710e24db0d7439ab81e3e3d301f

 src/core/windowitemdelegate.cpp

@@ -6,8 +6,6 @@

    WindowItemDelegate::~WindowItemDelegate() = default;

    bool WindowItemDelegate::resetQtGrabbedControl() const {
        return true;
    }
    void WindowItemDelegate::resetQtGrabbedControl() const {}

}