[BUGFIX] Fix EditableRestriction for linkvalidator

EditableRestriction in linkvalidator checks which fields are editable
Doing so, it also considers the allow / deny types (explicit_allowdeny
in be_groups). However, there were previously 2 problems which resulted
in broken links not displayed for some tables (e.g. in
tx_news_domain_model_news):

1. If the type was '0', no value was written to tx_linkvalidator_link.
   element_type.
2. If ctrl => type was set in TCA, but authMode is not or
   authMode_enforce == 'strict', the check should not be performed.

Both problems are now fixed. The fix for problem 1 requires a rechecking
of links so that the element_type field will be filled.

Resolves: #94381
Releases: master, 10.4
Change-Id: Id8c6db57baab7e000130198e508b7c437d87faac
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/71419


Tested-by: core-ci <typo3@b13.com>
Tested-by: Benni Mack <benni@typo3.org>
Tested-by: Anja Leichsenring <aleichsenring@ab-softlab.de>
Reviewed-by: Benni Mack <benni@typo3.org>
Reviewed-by: Anja Leichsenring <aleichsenring@ab-softlab.de>