[BUGFIX] Do not call FormEngine validation with jQuery objects

When implementing #101912, a few case where FormEngine field validation
is triggered with jQuery objects were overseen, triggering deprecation
warnings. This patch fixes the remaining occurrences.

Resolves: #102325
Related: #101912
Releases: main
Change-Id: I22661a60e75d4d88bff652d640bc7a4ea46eca87
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/81694


Reviewed-by: Benjamin Franzke <ben@bnf.dev>
Tested-by: Oliver Hader <oliver.hader@typo3.org>
Tested-by: core-ci <typo3@b13.com>
Reviewed-by: Oliver Hader <oliver.hader@typo3.org>
Tested-by: Benjamin Franzke <ben@bnf.dev>