[!!!][TASK] Convert JsConfirmation to BitSet

This change converts class JsConfirmation a BitSet.

Resolves: #100229
Releases: main
Change-Id: I85372f2116888d5bd30af644086812edd3abfa32
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/78188


Tested-by: Alexander Schnitzler <git@alexanderschnitzler.de>
Tested-by: Benni Mack <benni@typo3.org>
Tested-by: core-ci <typo3@b13.com>
Reviewed-by: Benni Mack <benni@typo3.org>
Reviewed-by: Alexander Schnitzler <git@alexanderschnitzler.de>
Reviewed-by: Oliver Klee <typo3-coding@oliverklee.de>