Fix Nacos reconnection failed continuously issue with message "com.alibaba.nacos.common.remote.exception.RemoteException: errCode: 500, errMsg: Unknown payload type:ServerCheckResponse" but actually the connection is already established.

Fix Nacos reconnection failed continuously issue with message "com.alibaba.nacos.common.remote.exception.RemoteException: errCode: 500, errMsg: Unknown payload type:ServerCheckResponse" but actually the connection is already established. #5232