2020-12-23 1.调整mqtt挤下线，跑ui线程。2.LoadEvent_CheckLinkStatus方法调整

JLChen

2020-12-23 f9f9b0030fdd2691632569b7dcad9d0ddca5e4cf

 HDL_ON/DAL/DriverLayer/Control.cs

@@ -225,8 +225,6 @@
                        //本地搜索不到网关
                        if (!Ins.IsRemote)
                        {
                            //连接mqtt前，先断开--2020-12-21
                            DAL.Mqtt.MqttClient.DisConnectRemote();
                            Ins.IsRemote = true;
                            DAL.Mqtt.MqttClient.InitState();
                        }
@@ -264,7 +262,7 @@
        /// <returns></returns>
        public void SendWriteCommand(Function function, Dictionary<string, string> commandDictionary)
        {
            function.usageCount++;
            function.controlCounter++;
            function.refreshTime = DateTime.Now;

            //如果是控制调光的开时，亮度值不能为0