Internal: Fix GradebookLink initialization creating a course

Author: christianbeeznest

src/CoreBundle/Entity/GradebookLink.php

@@ -74,6 +74,7 @@ public function __construct()
     {
         $this->locked = 0;
         $this->visible = 1;
+        $this->userScoreList = [];
     }
 
     public function setType(int $type): self

src/CoreBundle/Helpers/CourseHelper.php

@@ -620,7 +620,7 @@ private function createExampleGradebookContent(Course $course, GradebookCategory
 
         $gradebookLink->setType(1);
         $gradebookLink->setRefId($refId);
-        $gradebookLink->setUser(api_get_user_entity());
+        $gradebookLink->setUserScoreList([]);
         $gradebookLink->setCourse($course);
         $gradebookLink->setCategory($childGradebookCategory);
         $gradebookLink->setCreatedAt(new DateTime());