[TASK] Remove unnecessary access of superglobals

Since $loginType will be always 'BE' in this context, there is
no need to access $GLOBALS['BE_USER'] for this information.

Resolves: #93018
Releases: master
Change-Id: I0c6bef5d7f8eebbe2aca325d7e3737a2659dd53a
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/67046


Tested-by: Benni Mack <benni@typo3.org>
Tested-by: TYPO3com <noreply@typo3.com>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>
Reviewed-by: Benni Mack <benni@typo3.org>
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>