[BUGFIX] Add possibility to use session data in TS conditions

Bring back the possibility to access FE session data in
TypoScript conditions:
[globalVar = TSFE:fe_user|sesData|some_key > 10]

Resolves: #83506
Releases: master, 8.7
Change-Id: I77f6bc73a6d9160b7074d39a948e94a59b51e521
Reviewed-on: https://review.typo3.org/55408


Tested-by: TYPO3com <no-reply@typo3.com>
Reviewed-by: Timo Pfeffer <pfeffer.timo+typo3@gmail.com>
Reviewed-by: Wouter Wolters <typo3@wouterwolters.nl>
Reviewed-by: Mathias Schreiber <mathias.schreiber@typo3.com>
Tested-by: Mathias Schreiber <mathias.schreiber@typo3.com>
Reviewed-by: Markus Klein <markus.klein@typo3.org>
Tested-by: Markus Klein <markus.klein@typo3.org>