[TASK] Make labels in FormEditor translatable

This moves some labels from the template to
the locallang file, making them translatable.

Resolves: #97048
Releases: main, 11.5
Change-Id: I0d02864296b98148e2f01449edc2edbe880847f9
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/73772


Tested-by: core-ci <typo3@b13.com>
Tested-by: Oliver Bartsch <bo@cedev.de>
Reviewed-by: Oliver Bartsch <bo@cedev.de>