[BUGFIX] Fix file upload and directory creation in file browser

While #81763 was in development, some locations of the file operation
handling were not adjusted. This patch fixes the left over places.

Resolves: #82436
Related: #81763
Releases: master
Change-Id: I450458f5ef687969b22a194a2387953330b8d17d
Reviewed-on: https://review.typo3.org/54094


Tested-by: Riccardo De Contardi <erredeco@gmail.com>
Reviewed-by: Benjamin Kott <benjamin.kott@outlook.com>
Tested-by: Benjamin Kott <benjamin.kott@outlook.com>
Reviewed-by: Tymoteusz Motylewski <t.motylewski@gmail.com>
Tested-by: Tymoteusz Motylewski <t.motylewski@gmail.com>