[BUGFIX] Add page uid to rte module urls for correct TSconfig loading

Because of a missing page uid in rte module window iframe urls, like for
the BrowseLinks popup, the ConditionMatcher could not evaluate
conditions in INCLUDE_TYPOSCRIPT that rely on the page uid, like
PIDinRootline.

Resolves: #81190
Releases: 7.6
Change-Id: I7952b910d9caa50ce5ca1abd6bf7309ad80c60b1
Reviewed-on: https://review.typo3.org/52756


Reviewed-by: Wouter Wolters <typo3@wouterwolters.nl>
Tested-by: TYPO3com <no-reply@typo3.com>
Reviewed-by: Jan Helke <typo3@helke.de>
Tested-by: Riccardo De Contardi <erredeco@gmail.com>
Reviewed-by: Markus Klein <markus.klein@typo3.org>
Tested-by: Markus Klein <markus.klein@typo3.org>