[BUGFIX] FAL: Always load meta data of files

There's one place in the File class where the
according meta data were not loaded.

Resolves: #46020
Releases: 6.2
Change-Id: I41ccb6abcf8abf47a3a5f16875203f2982872f1e
Reviewed-on: https://review.typo3.org/25187
Reviewed-by: Wouter Wolters
Tested-by: Martin Holtz
Reviewed-by: Steffen Ritter
Tested-by: Steffen Ritter