retain quotes in namespace transformer filter (#4421)

* check tag values for double quoting

* reuse setentry

* don't override single quotes in merge and fix cm generator immutable val

* get rid of comment

* starlark annotation tests

* don't commit test image changes

* set network to bool

* isSet bool

* updating e2e config tool

* leave createtag

* fn command failing unmarshal test

* fn command test

* don't set style in run-fs

* use setentry to set tag

* remove e2e test changes and make IsStringValue an RNode method

kyaml/yaml/fns.go

@@ -685,6 +685,12 @@ func (s FieldSetter) Filter(rn *RNode) (*RNode, error) {
 		s.Value = NewScalarRNode(s.StringValue)
 	}
 
+	// need to set style for strings not recognized by yaml 1.1 to quoted if not previously set
+	// TODO: fix in upstream yaml library so this can be handled with yaml SetString
+	if s.Value.IsStringValue() && !s.OverrideStyle && s.Value.YNode().Style == 0 && IsYaml1_1NonString(s.Value.YNode()) {
+		s.Value.YNode().Style = yaml.DoubleQuotedStyle
+	}
+
 	if s.Name == "" {
 		if err := ErrorIfInvalid(rn, yaml.ScalarNode); err != nil {
 			return rn, err