[BUGFIX] Another DataHandler PHP 8 fix

A rather obvious TCA access scenario.

Resolves: #94611
Releases: master
Change-Id: Ie4ac8c7d1978e89de28076e0d036db1930c51149
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/70021
Tested-by: core-ci <typo3@b13.com>
Tested-by: Jochen <rothjochen@gmail.com>
Tested-by: Oliver Bartsch <bo@cedev.de>
Reviewed-by: Jochen <rothjochen@gmail.com>
Reviewed-by: Oliver Bartsch <bo@cedev.de>

typo3/sysext/core/Classes/DataHandling/DataHandler.php

@@ -4836,7 +4836,7 @@ public function deleteRecord($table, $uid, $noRecordCheck = false, $forceHardDel
         // Clear cache before deleting the record, else the correct page cannot be identified by clear_cache
         [$parentUid] = BackendUtility::getTSCpid($table, $uid, '');
         $this->registerRecordIdForPageCacheClearing($table, $uid, $parentUid);
-        $deleteField = $GLOBALS['TCA'][$table]['ctrl']['delete'];
+        $deleteField = $GLOBALS['TCA'][$table]['ctrl']['delete'] ?? false;
         $databaseErrorMessage = '';
         if ($recordWorkspaceId > 0) {
             // If this is a workspace record, use discard