Instead of resolving the value $TSFE->contentPid
at a point when the page generation happens,
this is now done within "determineId", which allows
to use this value in custom middlewares.

Resolves: #97064
Releases: main
Change-Id: I126c7295a1cb1a54e5f9d65ecb74b8b2e4ce2105
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/73741


Tested-by: core-ci <typo3@b13.com>
Tested-by: Georg Ringer <georg.ringer@gmail.com>
Tested-by: Oliver Bartsch <bo@cedev.de>
Reviewed-by: Georg Ringer <georg.ringer@gmail.com>
Reviewed-by: Oliver Bartsch <bo@cedev.de>