[BUGFIX] Use typeRoot instead of old typing style

Resolves: #78875
Releases: master
Change-Id: Ic4fa900cb40520d5e08df0111b5d4e5d0d859b85
Reviewed-on: https://review.typo3.org/50870


Reviewed-by: Frank Naegler <frank.naegler@typo3.org>
Tested-by: Frank Naegler <frank.naegler@typo3.org>
Tested-by: TYPO3com <no-reply@typo3.com>
Reviewed-by: Benni Mack <benni@typo3.org>
Tested-by: Benni Mack <benni@typo3.org>