[BUGFIX] SysLanguageViewHelper fetches proper DB connection

A simple copy/paste error fetches a wrong DB connection when having
multiple database connections configured.

Resolves: #89598
Releases: master, 9.5
Change-Id: I38b67a0a361e2ee00959aa0e6aa17a015aaf541d
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/62233


Tested-by: TYPO3com <noreply@typo3.com>
Tested-by: Michael Telgkamp <michael.telgkamp@mindscreen.de>
Tested-by: Georg Ringer <georg.ringer@gmail.com>
Reviewed-by: Michael Telgkamp <michael.telgkamp@mindscreen.de>
Reviewed-by: Georg Ringer <georg.ringer@gmail.com>

typo3/sysext/beuser/Classes/ViewHelpers/Display/SysLanguageViewHelper.php

@@ -62,7 +62,7 @@ class SysLanguageViewHelper extends AbstractViewHelper
 
         $content = '';
 
-        $queryBuilder = GeneralUtility::makeInstance(ConnectionPool::class)->getQueryBuilderForTable('sys_filemounts');
+        $queryBuilder = GeneralUtility::makeInstance(ConnectionPool::class)->getQueryBuilderForTable('sys_language');
         $queryBuilder->getRestrictions()->removeAll();
 
         $res = $queryBuilder