fix update node to persist inet info

models/api_node.go

@@ -73,6 +73,8 @@ func (a *ApiNode) ConvertToServerNode(currentNode *Node) *Node {
 	convertedNode.IsInternetGateway = a.IsInternetGateway
 	convertedNode.EgressGatewayRequest = currentNode.EgressGatewayRequest
 	convertedNode.EgressGatewayNatEnabled = currentNode.EgressGatewayNatEnabled
+	convertedNode.InternetGwID = currentNode.InternetGwID
+	convertedNode.InetNodeReq = currentNode.InetNodeReq
 	convertedNode.RelayedNodes = a.RelayedNodes
 	convertedNode.DefaultACL = a.DefaultACL
 	convertedNode.OwnerID = currentNode.OwnerID