[BUGFIX] Pass new folder object in PostFolderRenameSignal

The old folder object is already available in the PreFolderRenameSignal.
The new folder object is expected, similarly to the behaviour of the
corresponding PSR-14 middleware in TYPO3 v10 and up.

Releases: 9.5
Resolves: #92790
Related: #84539
Change-Id: I8b54d38343d6e686cf85b43243e641c080204e74
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/66566
Tested-by: Xavier Perseguers <xavier@typo3.org>
Tested-by: Benni Mack <benni@typo3.org>
Tested-by: Markus Klein <markus.klein@typo3.org>
Tested-by: Simon Gilli <typo3@gilbertsoft.org>
Tested-by: TYPO3com <noreply@typo3.com>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>
Reviewed-by: Xavier Perseguers <xavier@typo3.org>
Reviewed-by: Benni Mack <benni@typo3.org>
Reviewed-by: Markus Klein <markus.klein@typo3.org>
Reviewed-by: Simon Gilli <typo3@gilbertsoft.org>
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>

typo3/sysext/core/Classes/Resource/ResourceStorage.php

@@ -2280,7 +2280,7 @@ public function renameFolder($folderObject, $newName)
         }
         $returnObject = $this->getFolder($fileMappings[$folderObject->getIdentifier()]);
 
-        $this->emitPostFolderRenameSignal($folderObject, $returnObject->getName());
+        $this->emitPostFolderRenameSignal($folderObject, $returnObject->getName(), $returnObject);
 
         return $returnObject;
     }
@@ -2834,10 +2834,11 @@ protected function emitPreFolderRenameSignal(Folder $folder, $newName)
      *
      * @param Folder $folder
      * @param string $newName
+     * @param Folder $newFolder
      */
-    protected function emitPostFolderRenameSignal(Folder $folder, $newName)
+    protected function emitPostFolderRenameSignal(Folder $folder, $newName, Folder $newFolder)
     {
-        $this->getSignalSlotDispatcher()->dispatch(self::class, self::SIGNAL_PostFolderRename, [$folder, $newName]);
+        $this->getSignalSlotDispatcher()->dispatch(self::class, self::SIGNAL_PostFolderRename, [$folder, $newName, $newFolder]);
     }
 
     /**