fix: 修复蓝牙列表hover颜色错误问题

窗口必须初始化父窗口，否则当主题切换之后再设置父窗口的时候palette会更改为主题切换前的palette

Log: 优化蓝牙列表hover效果
Bug: https://pms.uniontech.com/zentao/bug-view-83257.html
Change-Id: Ib2bf437232ac9784a41f47c92720181c6a9ab31c

plugins/tray/system-trays/systemtrayitem.cpp

@@ -69,6 +69,11 @@ SystemTrayItem::SystemTrayItem(PluginsItemInterface *const pluginInter, const QS
         connect(qApp, &QApplication::aboutToQuit, PopupWindow, &DockPopupWindow::deleteLater);
     }
 
+    // 必须初始化父窗口，否则当主题切换之后再设置父窗口的时候palette会更改为主题切换前的palette
+    if (QWidget *w = m_pluginInter->itemPopupApplet(m_itemKey)) {
+        w->setParent(PopupWindow.data());
+    }
+
     m_popupTipsDelayTimer->setInterval(500);
     m_popupTipsDelayTimer->setSingleShot(true);