Merge pull request #46091 from xilabao/new-output-in-edit

Automatic merge from submit-queue (batch tested with PRs 46091, 48280)

allow output patch string in edit command

**What this PR does / why we need it**:
allow user to get the patch from edit command if user is not familiar with the patch format.

```
# ./cluster/kubectl.sh create role a --verb=get,list --resource=no
role "a" created

# ./cluster/kubectl.sh edit role a --output-patch=true
Patch: {"rules":[{"apiGroups":[""],"resources":["nodes"],"verbs":["get","list","delete"]}]}
role "a" edited

# ./cluster/kubectl.sh create role b --verb=get,list --resource=no
role "b" created

# ./cluster/kubectl.sh patch role b -p '{"rules":[{"apiGroups":[""],"resources":["nodes"],"verbs":["get","list","delete"]}]}'
role "b" patched
```
**Which issue this PR fixes**: fixes #47173

**Special notes for your reviewer**:

**Release note**:

```release-note
Could get the patch from kubectl edit command
```

pkg/kubectl/cmd/edit_test.go

@@ -49,6 +49,7 @@ type EditTestCase struct {
 	Args             []string `yaml:"args"`
 	Filename         string   `yaml:"filename"`
 	Output           string   `yaml:"outputFormat"`
+	OutputPatch      string   `yaml:"outputPatch"`
 	SaveConfig       string   `yaml:"saveConfig"`
 	Namespace        string   `yaml:"namespace"`
 	ExpectedStdout   []string `yaml:"expectedStdout"`
@@ -250,6 +251,9 @@ func TestEdit(t *testing.T) {
 		if len(testcase.Output) > 0 {
 			cmd.Flags().Set("output", testcase.Output)
 		}
+		if len(testcase.OutputPatch) > 0 {
+			cmd.Flags().Set("output-patch", testcase.OutputPatch)
+		}
 		if len(testcase.SaveConfig) > 0 {
 			cmd.Flags().Set("save-config", testcase.SaveConfig)
 		}