[TASK] Improve check if records exist in DatabaseRecordList

Limit the query to 1 row to check if there are records available
which improves the performance.

Resolves: #90419
Releases: master, 9.5
Change-Id: Ia965f906e4029698351e39501282242c480bb0d6
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/63296
Tested-by: TYPO3com <noreply@typo3.com>
Tested-by: Daniel Goerz <daniel.goerz@posteo.de>
Reviewed-by: Daniel Goerz <daniel.goerz@posteo.de>

typo3/sysext/recordlist/Classes/RecordList/DatabaseRecordList.php

@@ -3149,6 +3149,7 @@ public function generateList()
                 $queryBuilder = $this->addPageIdConstraint($tableName, $queryBuilder);
                 $firstRow = $queryBuilder->select('uid')
                     ->from($tableName)
+                    ->setMaxResults(1)
                     ->execute()
                     ->fetch();
                 if (!is_array($firstRow)) {