Fix window visibility inconsistency

Sine Striker

2023-12-26 1740ed5e0e765ebd8676733243eb3eaa81f95df1

 src/widgets/widgetwindowagent_win.cpp

@@ -148,7 +148,7 @@
            // ignore it.
            if (event->type() == QEvent::Expose) {
                auto ee = static_cast<QExposeEvent *>(event);
                if (window->isExposed() && !ee->region().isNull()) {
                if (window->isExposed() && isNormalWindow() && !ee->region().isNull()) {
                    resumeWindowEvent(window, event);
                    return true;
                }