[BUGFIX] Fix undefined array key error in DatabaseRecordList

TCA eval config is not required, so it must be
checked for existence.

Resolves: #96453
Releases: main, 11.5
Change-Id: I95425e3febac70ac2e03478b7385edbaf0c9a601
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/72829
Tested-by: core-ci <typo3@b13.com>
Tested-by: Stefan Bürk <stefan@buerk.tech>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>
Reviewed-by: Stefan Bürk <stefan@buerk.tech>
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>

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

@@ -2549,7 +2549,7 @@ public function makeSearchString($table, int $currentPid, QueryBuilder $queryBui
                 }
                 $fieldConfig = $GLOBALS['TCA'][$table]['columns'][$fieldName]['config'];
                 $fieldType = $fieldConfig['type'];
-                $evalRules = $fieldConfig['eval'] ?: '';
+                $evalRules = ($fieldConfig['eval'] ?? false) ?: '';
                 if ($fieldType === 'input' && $evalRules && GeneralUtility::inList($evalRules, 'int')) {
                     if (!isset($fieldConfig['search']['pidonly'])
                         || ($fieldConfig['search']['pidonly'] && $currentPid > 0)