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/UI2/3-Intelligence/Scene/SceneEditPage.cs

@@ -415,7 +415,8 @@
                var scenefunction = scene.functions[i];
                if (scenefunction.localFunction == null)
                {
                    scene.functions.Remove(scenefunction);       
                    scene.functions.Remove(scenefunction);
                    continue;
                }
                i++;
                var row = new RowLayout()
@@ -794,6 +795,7 @@
                pictureOptionView.Parent.RemoveFromParent();
                Action<string> action = (obj) => {
                    scene.ImagePath = obj;
                    addSceneImageView.ImageBytes = null;//解决有ImageBytes不加载ImagePath
                    addSceneImageView.ImagePath = scene.ImagePath;
                    scene.EditScene();
                };