chore: 给任务栏托盘插件添加部分注释

给托盘插件添加注释

Log:
Influence: 添加代码注释
Change-Id: Ie069bd3e9ce3215744f29fea39018b6fa7426fc0

frame/util/abstractpluginscontroller.h

@@ -74,6 +74,7 @@ private:
     QDBusConnectionInterface *m_dbusDaemonInterface;
     DockDaemonInter *m_dockDaemonInter;
 
+    // interface,  "pluginloader", PluginLoader指针对象
     QMap<PluginsItemInterface *, QMap<QString, QObject *>> m_pluginsMap;
 
     // filepath, interface, loaded

plugins/tray/trayplugin.cpp

@@ -98,6 +98,7 @@ void TrayPlugin::init(PluginProxyInterface *proxyInter)
 
     switchToMode(displayMode());
 
+    // 加载sni，xem，自定义indicator协议以及其他托盘插件
     QTimer::singleShot(0, this, &TrayPlugin::loadIndicator);
     QTimer::singleShot(0, m_systemTraysController, &SystemTraysController::startLoader);
     QTimer::singleShot(0, this, &TrayPlugin::initSNI);