Resolve "Falsche Sortierung in der Veranstaltungsverwaltung bei den Grunddaten (für Admins)"

Closes #1175

Merge request studip/studip!701

lib/classes/AdminCourseFilter.class.php

@@ -392,7 +392,7 @@ class AdminCourseFilter
         if ($count_courses && $count_courses <= $this->max_show_courses) {
             $settings = $this->settings;
             $this->settings['query']['select'] = [];
-            $this->settings['query']['orderby'] = Config::get()->IMPORTANT_SEMNUMBER ? 'seminare.veranstaltungsnummer, seminare.name' : 'seminare.name';
+            $this->settings['query']['orderby'] = 'seminare.name';
             $ret = $this->getCourses(false);
             $this->settings = $settings;
             return $ret;