[BUGFIX] Missing rootline in BE ConditionMatcher if page id is determined

Resolves: #96308
Releases: main, 11.5, 10.4
Change-Id: Ibcbda7fd97a338d721cf00b38026727e941c72ac
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/72598


Tested-by: core-ci <typo3@b13.com>
Tested-by: Benni Mack <benni@typo3.org>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>
Reviewed-by: Benni Mack <benni@typo3.org>
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>