fix agenda failures due to merge

library/templates/Intonation/Library/Widget/Carousel/Agenda/Definition.php

@@ -42,7 +42,7 @@ class Intonation_Library_Widget_Carousel_Agenda_Definition
     $this->_defaultValues = array_merge($this->_defaultValues,
                                         ['titre' => $this->_libelle,
                                          'enabled_filters' => 'day;date;place',
-                                         'event_filter' => '',
+                                         'event_filter' => 'none',
                                          'size' => 99,
                                          'order' => static::SORT_EVENT]);
   }