Fix issue with setting set-by

kyaml/setters/dokio.go

@@ -34,6 +34,7 @@ func (s *PerformSetters) Filter(input []*yaml.RNode) ([]*yaml.RNode, error) {
 			Name:        s.Name,
 			Value:       s.Value,
 			Description: s.Description,
+			SetBy:       s.SetBy,
 		}
 		if err := input[i].PipeE(p); err != nil {
 			return nil, err