[BUGFIX] Remove superfluous characters in user setup

Resolves: #96826
Related: #96776
Releases: main
Change-Id: I8f4f0cd2efdf815c6f0d9d2ab146ce4859d1ecad
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/73419


Tested-by: Christian Kuhn <lolli@schwarzbu.ch>
Tested-by: core-ci <typo3@b13.com>
Tested-by: Nikita Hovratov <nikita.h@live.de>
Tested-by: Benni Mack <benni@typo3.org>
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>
Reviewed-by: Nikita Hovratov <nikita.h@live.de>
Reviewed-by: Benni Mack <benni@typo3.org>