Merge branch 'next' into formBuilder

diff --cc wcfsetup/install/files/lib/system/acl/ACLHandler.class.php
Simple merge

diff --cc wcfsetup/install/files/lib/system/language/I18nHandler.class.php
Simple merge

diff --cc wcfsetup/install/files/lib/util/ClassUtil.class.php
index 5440212b40cf4069566a5c15efcbdb5b2f487fee,550af86e26712fc9c7d6849ec30d893069f377af..7df38c9e6e87f67a32f730c76e87768c140ca38b
--- 1/wcfsetup/install/files/lib/util/ClassUtil.class.php
--- 2/wcfsetup/install/files/lib/util/ClassUtil.class.php
+++ b/wcfsetup/install/files/lib/util/ClassUtil.class.php
@@@ -1,7 -1,5 +1,6 @@@
  <?php
- declare(strict_types=1);
  namespace wcf\util;
 +use wcf\data\DatabaseObjectDecorator;
  use wcf\system\exception\SystemException;
  
  /**