fix: Enforce server push rules on a sync user when viewing the events
fix: Enforce server push rules on a sync user when viewing the events

- user not seeing the data is a side-effect, not the intended effect
- serves to enforce the synchronisation rules
- sync user can still view the hidden attributes via attribute searches etc. Whether we want to remove this in the future is still to be decided, but for now the sync enforcement is the only intended effect.

MISP/MISP,MISP/MISP,devnull-/MISP,FloatingGhost/MISP,SteveClement/MISP,MISP/MISP,FIRSTdotorg/MISP,devnull-/MISP,TheDr1ver/MISP,FloatingGhost/MISP,TheDr1ver/MISP,MISP/MISP,FIRSTdotorg/MISP,SteveClement/MISP,TheDr1ver/MISP,SteveClement/MISP,FloatingGhost/MISP,FIRSTdotorg/MISP,FIRSTdotorg/MISP,Rafiot/MISP,SteveClement/MISP,Rafiot/MISP,devnull-/MISP,MISP/MISP,devnull-/MISP,SteveClement/MISP,TheDr1ver/MISP,Rafiot/MISP,FloatingGhost/MISP,Rafiot/MISP