[TASK] Clean up code inconsistencies detected by phpstan

Various places in smaller extensions were
reported in phpstan that had some inconsistencies
in their code style, which were unnecessary and are
now avoided.

Resolves: #103383
Releases: main
Change-Id: I1d9653e62e753c87e20bf8f2f9ff299a85c8726e
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/83449


Tested-by: Benjamin Franzke <ben@bnf.dev>
Tested-by: core-ci <typo3@b13.com>
Reviewed-by: Stefan Bürk <stefan@buerk.tech>
Tested-by: Benni Mack <benni@typo3.org>
Reviewed-by: Benjamin Franzke <ben@bnf.dev>
Reviewed-by: Benni Mack <benni@typo3.org>
Tested-by: Stefan Bürk <stefan@buerk.tech>