[TASK] Rename path to EXT:form BE route

The URL path to the form backend module
is now named "/module/manage/forms" instead of
"/module/web/FormFormbuilder" which was just
a leftover from the pre-routing logic in Extbase
modules.

Resolves: #95093
Releases: main
Change-Id: I9509ed13b9e34a12ecf89e63aca8c90dfbc2365e
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/84788


Tested-by: Oliver Bartsch <bo@cedev.de>
Reviewed-by: Oliver Bartsch <bo@cedev.de>
Reviewed-by: Simon Schaufelberger <simonschaufi+typo3@gmail.com>
Tested-by: core-ci <typo3@b13.com>
Tested-by: Simon Schaufelberger <simonschaufi+typo3@gmail.com>