fix possible QWKQuick crash

Zhao Yuhang

2025-05-07 576654b6173e97425411010b2f40b3e9519b85b8

 examples/qml/main.qml

@@ -144,6 +144,7 @@
        color: "#FEFEFE"
        Component.onCompleted: {
            if ($curveRenderingAvailable) {
                console.log("Curve rendering for text is available.")
                timeLabel.renderType = Text.CurveRendering
            }
        }