状态刷新优化，后台回到前台重新读取数据

wxr

2023-07-12 6c083de3930e4e3358925d980257363882b79090

 HDL-ON_iOS/AppDelegate.cs

@@ -484,7 +484,8 @@
            //进入后台mqtt正在连接重置状态
            HDL_ON.DAL.Mqtt.MqttClient.RemoteMqttIsConnecting = false;
            HDL_ON.DriverLayer.UdpSocket._BusSocket.Stop();
          
                    HDL_ON.DriverLayer.Control.Ins.GatewayOnline_Cloud = HDL_ON.DriverLayer.Control.Ins.GatewayOnline_Local = false;

        }