[TASK] Fixing Extension Form Path

The Files defined at allowedExtensionPaths are not shown

Releases: master
Resolves: #87376
Change-Id: I7dc96f8cea4a434ee2946482268a2dee8a0952ca
Reviewed-on: https://review.typo3.org/59384
Tested-by: TYPO3com <noreply@typo3.com>
Reviewed-by: Björn Jacob <bjoern.jacob@tritum.de>
Tested-by: Björn Jacob <bjoern.jacob@tritum.de>
Reviewed-by: Jan Helke <typo3@helke.de>
Tested-by: Jan Helke <typo3@helke.de>

typo3/sysext/form/Classes/Mvc/Persistence/FormPersistenceManager.php

@@ -809,6 +809,6 @@ protected function isFileWithinAccessibleExtensionFolders(string $fileName): boo
      */
     protected function looksLikeAFormDefinition(array $data): bool
     {
-        return isset($data['identifier'], $data['type']) && !empty($data['identifier']) && $data['type'] === 'Form';
+        return isset($data['identifier'], $data['type']) && !empty($data['identifier']) && trim($data['type']) === 'Form';
     }
 }