Fix mac multiple window crash

SineStriker

2024-01-05 f916057f79f045a975d29929b9f21448541d79b2

 src/core/contexts/cocoawindowcontext.mm

@@ -513,7 +513,10 @@

    static inline void releaseWindowProxy(const WId windowId) {
        if (auto proxy = g_proxyList->take(windowId)) {
            proxy->setSystemTitleBarVisible(true);
            // TODO: Determine if the window is valid
            
            // The window has been destroyed
            // proxy->setSystemTitleBarVisible(true);
            delete proxy;
        } else {
            return;