Set title if "work_title" key is set see BT#12882

main/work/work.lib.php

@@ -4129,12 +4129,13 @@ function addDir($formValues, $user_id, $courseInfo, $groupId, $session_id)
 
     $dirName = '/'.$created_dir;
     $today = new DateTime(api_get_utc_datetime(), new DateTimeZone('UTC'));
+    $title = isset($formValues['work_title']) ? $formValues['work_title'] : $formValues['new_dir'];
 
     $workTable = new CStudentPublication();
     $workTable
         ->setCId($course_id)
         ->setUrl($dirName)
-        ->setTitle($formValues['new_dir'])
+        ->setTitle($title)
         ->setDescription($formValues['description'])
         ->setActive(true)
         ->setAccepted(true)