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/UI/UI2/1-HomePage/HomePage.cs

@@ -130,7 +130,8 @@
                };
                topView.AddChidren(btnLinkStateTip);
                //更新链接状态icon颜色
                LoadEvent_CheckLinkStatus();
                CheckLinkStatus()//2020-12-22
                //LoadEvent_CheckLinkStatus();

                btnResidenceName = new Button()
                {