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/Packet.cs

@@ -572,6 +572,8 @@
                        MainPage.Log($"name : {Name} ; mac : {mac}");
                        if (DB_ResidenceData.Instance.residenceGatewayMAC == mac)
                        {
                            //本地搜索网关成功
                            Control.Ins.IsSearchLocalGatewaySuccessful = true;
                            Control.Ins.GatewayOnline = true;
                            Control.Ins.IsRemote = false;
                            DAL.Mqtt.MqttClient.DisConnectRemote();//断开mqtt