[TASK] Use new way to register forms wizard

Resolves: #56438
Releases: 6.2
Change-Id: Ic5a22f6ded5bf3b5d8a6442497444296a6b3bfaa
Reviewed-on: https://review.typo3.org/27947
Reviewed-by: Helmut Hummel
Tested-by: Helmut Hummel
Reviewed-by: Wouter Wolters
Tested-by: Wouter Wolters