NET-1355:peerUpdate for default host after new network created (#2974)

* peerUpdate for default host after new network created

* remove mq check for peerUpdate

Author: yabinma

controllers/network.go

@@ -490,6 +490,10 @@ func createNetwork(w http.ResponseWriter, r *http.Request) {
 			// make host remote access gateway
 			logic.CreateIngressGateway(network.NetID, newNode.ID.String(), models.IngressRequest{})
 		}
+		// send peer updates
+		if err = mq.PublishPeerUpdate(false); err != nil {
+			logger.Log(1, "failed to publish peer update for default hosts after network is added")
+		}
 	}()
 
 	logger.Log(1, r.Header.Get("user"), "created network", network.NetID)