[FEATURE] Implement event for LocalizationController column building

Implements a PSR-14 event dispatched after
LocalizationController has built the manifest of columns
and column numbers, allowing third parties to change
this manifest without XCLASS'ing LocalizationController.

Releases: master
Resolves: #90945
Change-Id: I5a7929512c498329841c51ceceba7b0d4c156594
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/64071


Tested-by: TYPO3com <noreply@typo3.com>
Tested-by: Benni Mack <benni@typo3.org>
Tested-by: Frank Nägler <frank.naegler@typo3.org>
Reviewed-by: Benni Mack <benni@typo3.org>
Reviewed-by: Frank Nägler <frank.naegler@typo3.org>