[BUGFIX] Fix ajax requests in non default language

To search for record overlays properly, an olMode must be set. Because the default with integers representing the languageUid is overlayMode::OFF.
This means after two ajax requests (e.g. pagination or filtering) the response falls back to default language plugin record.

Author: BastiLu

Classes/Utility/RecordUtility.php

@@ -68,7 +68,8 @@ public static function getRecordWithLanguageOverlay(int $recordUid, int $languag
             GeneralUtility::makeInstance(PageRepository::class)->getRecordOverlay(
                 TtContent::TABLE,
                 self::getRecord(TtContent::TABLE, $recordUid),
-                $languageUid
+                $languageUid,
+                'on'
             );
 
         if (!empty($record)) {