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/releases.go

@@ -300,12 +300,7 @@ $ tea release create v1.1.0-rc1 --target release/1.1 --draft --prerelease --titl
 				item.Assets = append(item.Assets, asset)
 				a.done(cmd, "Uploaded %s (%s)", asset.Name, terminal.Bytes(asset.Size))
 			}
-			if a.options.json != "" {
-				failures = append(failures, a.writeJSON(cmd, item))
-			} else {
-				failures = append(failures, a.printURL(cmd, item.URL))
-			}
-			return errors.Join(failures...)
+			return errors.Join(append(failures, a.created(cmd, item, item.URL))...)
 		},
 	}
 	fields.register(a, command)
@@ -402,11 +397,8 @@ func (a *application) releasePublishCommand() *cobra.Command {
 					a.done(cmd, "Published release %s in %s", item.Tag, target.Repo)
 				}
 				return item, err
-			}, func(services.Release) {})
-			if a.options.json != "" {
-				failures = append(failures, writeBatchJSON(a, cmd, len(args), results))
-			}
-			return errors.Join(failures...)
+			}, nil)
+			return errors.Join(append(failures, writeBatchJSON(a, cmd, len(args), results))...)
 		},
 	}
 	command.ValidArgsFunction = a.completeReleases()