fix the QML demo

Zhao Yuhang

2025-02-09 f1d4f07dcb8bd93578abb2fc1e289050d7e1c3ee

 examples/qml/main.qml

@@ -12,8 +12,8 @@
    title: qsTr("Hello, world!")
    Component.onCompleted: {
        windowAgent.setup(window)
        windowAgent.setWindowAttribute("dark-mode", true)
        window.visible = true
        delayInitTimer.start()
    }

    QtObject {
@@ -32,6 +32,14 @@
        onTriggered: timeLabel.text = Qt.formatTime(new Date(), "hh:mm:ss")
    }

    Timer {
        id: delayInitTimer
        interval: 100
        running: false
        repeat: false
        onTriggered: windowAgent.setWindowAttribute("dark-mode", true)
    }

    WindowAgent {
        id: windowAgent
    }