[!!!][TASK] Change method signatures and remove sanitization

This change tackle a left over @todo regarding method
changes related to strict typing of interface changes
for TYPO3 v12.0. Sanitization for null arguments is
removed along the way.

A unit test prophecy dealing with defaults needs
to be adjusted along the way.

Resolves: #98500
Related: #95794
Releases: main
Change-Id: Icb15ec42fbbc04840fa9d6459b1382348d57be96
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/75939


Tested-by: core-ci <typo3@b13.com>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>
Tested-by: Georg Ringer <georg.ringer@gmail.com>
Reviewed-by: Kevin Appelt <kevin.appelt@icloud.com>
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>
Reviewed-by: Georg Ringer <georg.ringer@gmail.com>