[TASK] Streamline and modernize form manager

Streamline and optimize styling and markup of the form manager of form module.

* Clean up markup and classes of form list
* Optimize UX of the form list and use the new alternative action menu for better icon description
* Use new common styles and elements for better overview and modern look

Resolves: #94806
Releases: master
Change-Id: I5e24be3e022480c1798745131be7d41f4a5eaf2f
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/70450


Tested-by: Paul H <paul+typo3@ecopixel.com>
Tested-by: Björn Jacob <bjoern.jacob@tritum.de>
Tested-by: core-ci <typo3@b13.com>
Tested-by: waldhacker <hello@waldhacker.dev>
Reviewed-by: Paul H <paul+typo3@ecopixel.com>
Reviewed-by: Björn Jacob <bjoern.jacob@tritum.de>
Reviewed-by: waldhacker <hello@waldhacker.dev>