[TASK] Use runtime cache for BackendUtility::isRecordLocked

Instead of using $GLOBALS a runtime cache is used.

Resolves: #79345
Releases: master
Change-Id: I2273051c2d52efff5fa578a82ff636748fe7fdf6
Reviewed-on: https://review.typo3.org/51332


Tested-by: TYPO3com <no-reply@typo3.com>
Reviewed-by: Markus Klein <markus.klein@typo3.org>
Reviewed-by: Benni Mack <benni@typo3.org>
Tested-by: Benni Mack <benni@typo3.org>
Tested-by: Markus Klein <markus.klein@typo3.org>