[TASK] Optimize FormEngineValidation, Part II

Some functions inside FormEngineValidation are optimized to reduce
runtime or run multiple validations on fields that are already
marked as "failed".

Resolves: #81053
Releases: master
Change-Id: I751d5e99df2b58c14f629c84b305ec49bcc0d411
Reviewed-on: https://review.typo3.org/48192


Tested-by: TYPO3com <no-reply@typo3.com>
Reviewed-by: Frank Naegler <frank.naegler@typo3.org>
Tested-by: Frank Naegler <frank.naegler@typo3.org>
Reviewed-by: Jan Helke <typo3@helke.de>
Tested-by: Jan Helke <typo3@helke.de>