fix: 修复任务栏概率性卡死问题

涉及到dbus异步通信和频繁操作问题
会导致等待dbus接口返回数据时卡死，直接原因是条件变量一直无法触发，线程无法唤醒

Log:
Influence: 导致任务栏概率性卡死
Task: https://pms.uniontech.com/zentao/task-view-96113.html
Change-Id: I32686242d617289c6b7368bc345953701e4912f4

plugins/tray/snitraywidget.cpp

@@ -84,7 +84,6 @@ SNITrayWidget::SNITrayWidget(const QString &sniServicePath, QWidget *parent)
     setOwnerPID(conn.interface()->servicePid(m_dbusService));
 
     m_sniInter = new StatusNotifierItem(m_dbusService, m_dbusPath, QDBusConnection::sessionBus(), this);
-    m_sniInter->setSync(false);
 
     if (!m_sniInter->isValid()) {
         qDebug() << "SNI dbus interface is invalid!" << m_dbusService << m_dbusPath << m_sniInter->lastError();