Fix NSWindowProxy::setSystemButtonVisible not taking effect (#175)

李威 wei.li

2025-04-21 469c975a708ed86c834b59ed751a4548c693a7b9

 examples/mainwindow/mainwindow.qrc

@@ -1,5 +1,6 @@
<RCC>
    <qresource prefix="/">
        <file>dark-style.qss</file>
        <file>light-style.qss</file>
    </qresource>
</RCC>