[TASK] Move modAccess and language include in EXT:scheduler

Resolves: #56837
Releases: 6.2
Change-Id: Ieec0e8f532abd8fab0444e137c31424f1a69b67e
Reviewed-on: https://review.typo3.org/28314
Reviewed-by: Stefan Neufeind
Tested-by: Stefan Neufeind