[TASK] version entry script cleanup

The patch adds usage of module dispatcher to enable CSRF protection to
version click module.

Resolves: #55675
Releases: 6.2
Change-Id: Ib31e419fd2a880052e93f3eea95d51c75d442e23
Reviewed-on: https://review.typo3.org/28209
Reviewed-by: Wouter Wolters
Tested-by: Wouter Wolters
Reviewed-by: Stefan Neufeind
Reviewed-by: Anja Leichsenring
Tested-by: Anja Leichsenring