[BUGFIX] Correctly handle workspace overlays

This patch ensures Extbase correctly fetches workspace overlays
in reading process.

Resolves: #85061
Releases: master, 10.4
Change-Id: Iebfe49ac0b7733bd42c7dc3070ff0cb32a825bef
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/57012


Tested-by: TYPO3com <noreply@typo3.com>
Tested-by: Benni Mack <benni@typo3.org>
Tested-by: Georg Ringer <georg.ringer@gmail.com>
Reviewed-by: Benni Mack <benni@typo3.org>
Reviewed-by: Georg Ringer <georg.ringer@gmail.com>