Fix issue where an admin couldn't add students to their own class (he…

…dyorg#3296)

Co-authored-by: Felienne Hermans <[email protected]>

website/teacher.py

@@ -107,7 +107,7 @@ def get_class(user, class_id):
                                 page_title=gettext('title_class-overview'),
                                 achievement=achievement, invites=invites,
                                 class_info={'students': students, 'link': os.getenv('BASE_URL') + '/hedy/l/' + Class['link'],
-                                            'name': Class['name'], 'id': Class['id']})
+                                            'teacher': Class['teacher'], 'name': Class['name'], 'id': Class['id']})
 
     @app.route('/class', methods=['POST'])
     @requires_login