主从网关属性，防挤下线账号删除

wei

2021-09-26 dd3fecc3a8b92b377febfcf92d32ec22a07724f6

 HDL_ON/Entity/Function/Scene.cs

@@ -593,6 +593,10 @@
                case FunctionAttributeKey.RoomTemp:
                case FunctionAttributeKey.Brightness:
                case FunctionAttributeKey.Percent:
                    int outT = 0;
                    int.TryParse(catchString,out outT);
                    if (outT < 0)
                        catchString = "0";
                    if (catchString == "")
                    {
                        catchString = "0";