Fix: Ajax on/off not saving value in DB after updating to version >=12

The issue seams to be that starting in version 12 the "[element]_UPDATE" trigger is called in file core/ajax/objectonoff.php but some properties that are required on $object are not set.

htdocs/core/ajax/objectonoff.php

@@ -77,6 +77,10 @@ if (($action == 'set') && !empty($id)) {
 	if ($tablename == 'websitepage') $tablename = 'website_page';
 
 	$format = 'int';
-
+	
+	$object->table_element = $tablename;
+	$object->id = $id;
+	$object->fields[$field] = array('type' => $format, 'enabled' => 1);
+	
 	$object->setValueFrom($field, $value, $tablename, $id, $format, '', $user, $triggerkey);
 }