refactor(output): share the JSON, created-resource and batch tails

Mutations end with a.jsonResult or a.created instead of hand-rolled
--json branches, the two identical jsonResult/writeMutationJSON helpers
become one, and writeBatchJSON checks --json itself so batch commands
share one tail.

Signed-off-by: bircni <bircni@icloud.com>

internal/app/pull_review_lifecycle.go

@@ -204,10 +204,7 @@ func (a *application) pullReviewDismissCommand(dismiss bool) *cobra.Command {
 		} else {
 			a.done(cmd, "Restored %s", subject)
 		}
-		if a.options.json != "" {
-			return a.writeJSON(cmd, item)
-		}
-		return nil
+		return a.jsonResult(cmd, item)
 	}}
 	if dismiss {
 		cmd.Annotations["tea.confirm"] = "true"