[BUGFIX] Fix PHP 8 warnings in DataHandler

Moved assignment of $destPid = $sortInfo['pid'] after check if
$sortInfo is an array, since the method call to getSortNumber
can return other values than an array.

Resolves: #101606
Releases: main, 12.4, 11.5
Change-Id: I3cfef35b351a0cd1fa8197702cce9e3b05871fcf
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/80431
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>
Tested-by: core-ci <typo3@b13.com>
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>

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

@@ -4640,10 +4640,10 @@ public function moveRecord_raw($table, $uid, $destPid)
             // Save the position to which the original record is requested to be moved
             $originalRecordDestinationPid = $destPid;
             $sortInfo = $this->getSortNumber($table, $uid, $destPid);
-            // Setting the destPid to the new pid of the record.
-            $destPid = $sortInfo['pid'];
             // If not an array, there was an error (which is already logged)
             if (is_array($sortInfo)) {
+                // Setting the destPid to the new pid of the record.
+                $destPid = $sortInfo['pid'];
                 if ($table !== 'pages' || $this->destNotInsideSelf($destPid, $uid)) {
                     // clear cache before moving
                     $this->registerRecordIdForPageCacheClearing($table, $uid);