Instead of manually resolving the path of
the processed thumbnail image, use FAL
API "getForLocalProcessing". This prevents
wrong paths when using storages with "baseUri"
set.

Resolves: #101968
Related: #82855
Releases: main
Change-Id: I08d4b64c115ca7ecdab8233b36de801e22109e9f
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/81099


Reviewed-by: Oliver Hader <oliver.hader@typo3.org>
Tested-by: Oliver Bartsch <bo@cedev.de>
Tested-by: Benni Mack <benni@typo3.org>
Tested-by: core-ci <typo3@b13.com>
Reviewed-by: Benni Mack <benni@typo3.org>
Tested-by: Oliver Hader <oliver.hader@typo3.org>
Reviewed-by: Oliver Bartsch <bo@cedev.de>