[TASK] Replace nested dirname calls with using the levels parameter

[TASK] Replace nested dirname calls with using the levels parameter

Resolves: #85292
Releases: master
Change-Id: I3abfce7fb91b007769c63aaff4da6c1b672ef947
Reviewed-on: https://review.typo3.org/57248
Tested-by: TYPO3com <no-reply@typo3.com>
Reviewed-by: Susanne Moog <susanne.moog@typo3.org>
Reviewed-by: Andreas Fernandez <a.fernandez@scripting-base.de>
Reviewed-by: Jigal van Hemert <jigal.van.hemert@typo3.org>
Reviewed-by: Stefan Neufeind <typo3.neufeind@speedpartner.de>
Tested-by: Stefan Neufeind <typo3.neufeind@speedpartner.de>
Reviewed-by: Georg Ringer <georg.ringer@gmail.com>
Tested-by: Georg Ringer <georg.ringer@gmail.com>