[TASK] Use constants instead of raw bitmask values

The used bitmasks of JsConfirmation and Permission are put
into "enums" and their representing constants are used instead
of the raw bitmask values.

Resolves: #65455
Releases: master
Change-Id: I1910bb960b69836ea29c16c91d730ac74c22f929
Reviewed-on: http://review.typo3.org/37455


Reviewed-by: Nicole Cordes <typo3@cordes.co>
Tested-by: Nicole Cordes <typo3@cordes.co>
Reviewed-by: Mathias Brodala <mbrodala@pagemachine.de>
Reviewed-by: Stefan Neufeind <typo3.neufeind@speedpartner.de>
Reviewed-by: Frank Nägler <typo3@naegler.net>
Tested-by: Frank Nägler <typo3@naegler.net>