Fix default port update handling

internal/cmd/commands/targets/tcp.go

@@ -140,12 +140,12 @@ func (c *TcpCommand) Run(args []string) int {
 	case "null":
 		opts = append(opts, targets.DefaultDefaultPort())
 	default:
-		length, err := strconv.ParseUint(c.flagDefaultPort, 10, 32)
+		port, err := strconv.ParseUint(c.flagDefaultPort, 10, 32)
 		if err != nil {
 			c.UI.Error(fmt.Sprintf("Error parsing %q: %s", c.flagDefaultPort, err))
 			return 1
 		}
-		opts = append(opts, targets.WithDefaultPort(uint32(length)))
+		opts = append(opts, targets.WithDefaultPort(uint32(port)))
 	}
 
 	targetClient := targets.NewClient(client)

internal/servers/controller/handlers/targets/target_service.go

@@ -240,6 +240,9 @@ func (s Service) updateInRepo(ctx context.Context, scopeId, id string, mask []st
 	if name := item.GetName(); name != nil {
 		opts = append(opts, target.WithName(name.GetValue()))
 	}
+	if item.GetDefaultPort().GetValue() != 0 {
+		opts = append(opts, target.WithDefaultPort(item.GetDefaultPort().GetValue()))
+	}
 	version := item.GetVersion()
 	u, err := target.NewTcpTarget(scopeId, opts...)
 	if err != nil {