fix unwanted title bar when special effect is enabled

Zhao Yuhang

2025-02-08 6f4ab6474fa81556b1d90f6f87f8322282d054db

 examples/qml/QWKButton.qml

@@ -20,6 +20,7 @@
            mipmap: true
            width: 12
            height: 12
            fillMode: Image.PreserveAspectFit
        }
    }
    background: Rectangle {