[BUGFIX] Do not flush rootline cache when be user visits the website

The PreviewSimulator might turn on the includeHiddenPages flag in
VisibilityAspect due to hidden pages in current the rootline.

The flag is now taken into account when generating the rootline
cache identifier and thus the rootline cache doesn't need to get
flushed.

Resolves: #102205
Related: #17599
Releases: main, 12.4
Change-Id: If5246c9297d00071852968d48801d35f4060d110
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/81465


Reviewed-by: Benni Mack <benni@typo3.org>
Tested-by: core-ci <typo3@b13.com>
Tested-by: Benni Mack <benni@typo3.org>