[BUGFIX] Cast possible positive integer string

Resolves: #97889
Related: #97887
Releases: main
Change-Id: I4f2754858dc9bb483a5f77d9f08397f97b300850
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/75094


Tested-by: Andreas Fernandez <a.fernandez@scripting-base.de>
Tested-by: Jochen <rothjochen@gmail.com>
Tested-by: Nikita Hovratov <nikita.h@live.de>
Tested-by: core-ci <typo3@b13.com>
Reviewed-by: Andreas Fernandez <a.fernandez@scripting-base.de>
Reviewed-by: Jochen <rothjochen@gmail.com>
Reviewed-by: Nikita Hovratov <nikita.h@live.de>