The function readdir may skip files inside a directory when
its content is changed, like a file being deleted. This can
cause not all files inside being deleted

To avoid this, we collect all entries inside a directory and
close the read descriptor before deleting all entries inside.

Resolves: #88524
Releases: master, 9.5
Change-Id: I06168e77dccc41ae60b49abd7644ee3748e85588
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/61408


Tested-by: TYPO3com <noreply@typo3.com>
Tested-by: Marco Bresch <marco.bresch@starfinanz.de>
Tested-by: Susanne Moog <look@susi.dev>
Reviewed-by: Matthias Vogel <typo3@kanti.de>
Reviewed-by: Marc von Schalscha <msa@starfinanz.de>
Reviewed-by: Susanne Moog <look@susi.dev>