[TASK] Make parameter names of GU::revExplode consistent

Now the parameter names are consistent with those of the other
explode-related methods.

Resolves: #100145
Releases: main
Change-Id: Ibd8fd736741a8f1cdad2e33ae3e777412cd383eb
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/78098


Reviewed-by: Georg Ringer <georg.ringer@gmail.com>
Reviewed-by: Josef Glatz <typo3@josefglatz.at>
Tested-by: Georg Ringer <georg.ringer@gmail.com>
Tested-by: core-ci <typo3@b13.com>
Tested-by: Josef Glatz <typo3@josefglatz.at>
Reviewed-by: Benni Mack <benni@typo3.org>
Tested-by: Benni Mack <benni@typo3.org>