[TASK] Implement stop functionality to additionalJS_submit

Using the hook in JS is not possible to stop the
submission of the form engine. A stop parameter
solves the problem.

Resolves: #17626
Releases: master
Change-Id: Ibcb9a5119a4827bb0ce03971c792a01eeafe3e6c
Reviewed-on: https://review.typo3.org/43743


Reviewed-by: Nicole Cordes <typo3@cordes.co>
Reviewed-by: Markus Klein <markus.klein@typo3.org>
Tested-by: Markus Klein <markus.klein@typo3.org>
Reviewed-by: Jigal van Hemert <jigal.van.hemert@typo3.org>
Reviewed-by: Andreas Fernandez <typo3@scripting-base.de>
Tested-by: Andreas Fernandez <typo3@scripting-base.de>