fix unhandled rejection in trySyncConnectAllConnections task. it does not matter if the task could not connect to connection. just ignore it and retry next time
fix unhandled rejection in trySyncConnectAllConnections task. it does not matter if the task could not connect to connection. just ignore it and retry next time

hazelcast-incubator/hazelcast-nodejs-client,hazelcast-incubator/hazelcast-nodejs-client