[TASK] Follow-up: Add filter for available records, CGL

Resolves: #49739
Releases: 6.2
Change-Id: Iee24b073e0f5fdf7da469c289f21219b35c62928
Reviewed-on: https://review.typo3.org/24727
Reviewed-by: Wouter Wolters
Tested-by: Wouter Wolters