minor improve quick demo

Zhao Yuhang

2023-12-18 44fee9aa1e3087635d1394612c6f6ceab44ba7b0

 src/quick/quickitemdelegate.cpp

@@ -46,7 +46,7 @@
        return static_cast<const QQuickWindow *>(host)->windowStates();
    }

    void QuickItemDelegate::setWindowState(QObject *host, const Qt::WindowStates &state) const {
    void QuickItemDelegate::setWindowState(QObject *host, Qt::WindowStates state) const {
        static_cast<QQuickWindow *>(host)->setWindowStates(state);
    }

@@ -62,7 +62,7 @@
        return static_cast<const QQuickWindow *>(host)->flags();
    }

    void QuickItemDelegate::setWindowFlags(QObject *host, const Qt::WindowFlags &flags) const {
    void QuickItemDelegate::setWindowFlags(QObject *host, Qt::WindowFlags flags) const {
        static_cast<QQuickWindow *>(host)->setFlags(flags);
    }