fix: update connection for active window icon change

当前有多个源头触发 iconChanged: AppItem::currentActiveWindowChanged 和 DesktopfileAbstractParser::iconChanged。这会导致 iconName 的 loop binding。此修改将其中一个调整为 QueuedConnection 来避免循环绑定。

Log:

Author: BLumia

panels/dock/taskmanager/appitem.cpp

@@ -327,7 +327,7 @@ void AppItem::updateCurrentActiveWindow(QPointer<AbstractWindow> window)
     }
 
     m_currentActiveWindow = window;
-    connect(m_currentActiveWindow.get(), &AbstractWindow::iconChanged, this, &AppItem::iconChanged);
+    connect(m_currentActiveWindow.get(), &AbstractWindow::iconChanged, this, &AppItem::iconChanged, Qt::QueuedConnection);
 
     Q_EMIT currentActiveWindowChanged();
 }