check eval configuration instead of vote configuration when displaying course overview, fixes #4440

Merge request studip/studip!3267

app/controllers/course/overview.php

@@ -58,12 +58,16 @@ class Course_OverviewController extends AuthenticatedController
 
         // Fetch  votes
         if (Config::get()->VOTE_ENABLE) {
-            $response             = $this->relay('evaluation/display/' . $this->course_id);
-            $this->evaluations    = $response->body;
             $response             = $this->relay('questionnaire/widget/' . $this->course_id);
             $this->questionnaires = $response->body;
         }
 
+        // Fetch evaluations
+        if (Config::get()->EVAL_ENABLE) {
+            $response = $this->relay('evaluation/display/' . $this->course_id);
+            $this->evaluations = $response->body;
+        }
+
 
         if (!$this->studygroup_mode) {
             $this->avatar = CourseAvatar::getAvatar($this->course_id);