refactor: adopted new class names

ajax/eventSearch.php

@@ -4,7 +4,7 @@
  * This file contains package_quiqqer_calendar_ajax_eventSearch
  */
 
-use QUI\Calendar\Event\Utils;
+use QUI\Calendar\Event\EventUtils;
 
 /**
  * Returns event list
@@ -36,7 +36,7 @@ QUI::$Ajax->registerFunction(
 
         $events = array();
         foreach ($eventsDataRaw as $eventData) {
-            $Event = Utils::createEventFromDatabaseArray($eventData);
+            $Event = EventUtils::createEventFromDatabaseArray($eventData);
 
             $eventAsArray = $Event->toArray();