[TASK] Remove internal state properties from PageRepository

This change reduces the internal duplicate
state from PageRepository, in order to fully
rely on the workspace aspect from the Context.

Resolves: #102882
Releases: main
Change-Id: I588ec7ca5c72f3c65262887a336ea324325c9b8f
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/82528


Tested-by: core-ci <typo3@b13.com>
Tested-by: Oliver Bartsch <bo@cedev.de>
Tested-by: Stefan Bürk <stefan@buerk.tech>
Tested-by: Benni Mack <benni@typo3.org>
Reviewed-by: Benni Mack <benni@typo3.org>
Reviewed-by: Oliver Bartsch <bo@cedev.de>
Reviewed-by: Stefan Bürk <stefan@buerk.tech>