Bulk status change: Fix bulk rejection (#1486)

* Use the correct action name

* Correct the same action name in another situations

Co-authored-by: Jesús Amieiro <1667814+amieiro@users.noreply.github.com>

gp-includes/routes/translation.php

@@ -422,7 +422,7 @@ private function _bulk_approve( $bulk ) {
 			case 'approve':
 				$new_status = 'current';
 				break;
-			case 'rejected':
+			case 'reject':
 				$new_status = 'rejected';
 				break;
 			case 'changesrequested':
@@ -451,7 +451,7 @@ private function _bulk_approve( $bulk ) {
 						$ok
 					);
 					break;
-				case 'rejected':
+				case 'reject':
 					$this->notices[] = sprintf(
 					/* translators: %d: Translations count. */
 						_n( '%d translation was rejected.', '%d translations were rejected.', $ok, 'glotpress' ),
@@ -476,7 +476,7 @@ private function _bulk_approve( $bulk ) {
 							$error
 						);
 						break;
-					case 'rejected':
+					case 'reject':
 						$message = sprintf(
 						/* translators: %s: Translations count. */
 							_n( 'Error with rejecting %s translation.', 'Error with rejecting %s translations.', $error, 'glotpress' ),
@@ -500,7 +500,7 @@ private function _bulk_approve( $bulk ) {
 							$ok
 						);
 						break;
-					case 'rejected':
+					case 'reject':
 						$message .= sprintf(
 						/* translators: %s: Translations count. */
 							_n( 'The remaining %s translation was rejected successfully.', 'The remaining %s translations were rejected successfully.', $ok, 'glotpress' ),
@@ -525,7 +525,7 @@ private function _bulk_approve( $bulk ) {
 							$error
 						);
 						break;
-					case 'rejected':
+					case 'reject':
 						$this->errors[] = sprintf(
 						/* translators: %s: Translations count. */
 							_n( 'Error with rejecting %s translation.', 'Error with rejecting all %s translations.', $error, 'glotpress' ),