add missing win32 constant for old win sdk

Zhao Yuhang

2025-03-11 c00e986f38dbc4843d92cc76a385f826658c1e03

 src/core/windowitemdelegate.cpp

@@ -14,4 +14,10 @@
        Q_UNUSED(host);
    }

}
    WinIdChangeEventFilter *
        WindowItemDelegate::createWinIdEventFilter(QObject *host,
                                                   AbstractWindowContext *context) const {
        return new WindowWinIdChangeEventFilter(static_cast<QWindow *>(host), context);
    }

}