crell authored May 19, 2021 and lolli committed May 20, 2021

Make the code a bit more declarative and compact.
This also improves the documentation to make clear
the actual behavior, which was previously not self-evident.

Resolves: #94074
Releases: master, 10.4
Change-Id: I062d75c174ddea8fe1a3010f12831520ada8dafe
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/69185


Tested-by: core-ci <typo3@b13.com>
Tested-by: Jochen <rothjochen@gmail.com>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>
Reviewed-by: Jochen <rothjochen@gmail.com>
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>