[TASK] Avoid using <f:link.external>

This change favors native <a> tags for internal TYPO3 links in
TYPO3 Backend where a ViewHelper is not needed.

Resolves: #94975
Releases: master
Change-Id: Ib068aee4bb54e45b158bf79d6e5f0c0d8a597341
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/70736


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