[TASK] Streamline and modernize the new form wizard

Streamline and optimize styling and markup of the new form wizard
of form manager.

* Clean up markup and use common colors of TYPO3 v11
* Optimize UX and Overview of the new form wizard
* Use new common styles and elements for better overview and modern look

Resolves: #94805
Releases: master
Change-Id: I0be4753be8d414db848453a0e4db941a8b127676
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/70681


Tested-by: Tobias Siegler <siegler.tobias@googlemail.com>
Tested-by: Nikita Hovratov <nikita.h@live.de>
Tested-by: core-ci <typo3@b13.com>
Tested-by: waldhacker <hello@waldhacker.dev>
Reviewed-by: Tobias Siegler <siegler.tobias@googlemail.com>
Reviewed-by: Nikita Hovratov <nikita.h@live.de>
Reviewed-by: waldhacker <hello@waldhacker.dev>