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

李威 wei.li

2025-04-21 469c975a708ed86c834b59ed751a4548c693a7b9

 examples/qml/main.qml

@@ -1,6 +1,6 @@
import QtQuick 2.15
import QtQuick.Window 2.15
import QtQuick.Controls.Basic 2.15
import QtQuick.Controls 2.15
import Qt.labs.platform 1.1
import QWindowKit 1.0