[BUGFIX] Do not pass current page permissions into readPageAccess in Web->Page

By passing the permission bitmap of the current page into the readPageAccess
method editing content only works when all pages in the rootline have the same
permission settings.

Resolves: #71243
Releases: master
Change-Id: I453f54c7a9fa6020367e0eadd25d7b3a839c91f5
Reviewed-on: https://review.typo3.org/44476


Reviewed-by: Andreas Fernandez <typo3@scripting-base.de>
Reviewed-by: Markus Klein <markus.klein@typo3.org>
Tested-by: Markus Klein <markus.klein@typo3.org>
Reviewed-by: Frank Nägler <frank.naegler@typo3.org>
Tested-by: Frank Nägler <frank.naegler@typo3.org>