fix: [bug] Typo in the event before validate hook
fix: [bug] Typo in the event before validate hook

As pointed out by @To-om
MISP/MISP,SteveClement/MISP,FloatingGhost/MISP,devnull-/MISP,MISP/MISP,SteveClement/MISP,FloatingGhost/MISP,Rafiot/MISP,SteveClement/MISP,devnull-/MISP,FIRSTdotorg/MISP,MISP/MISP,FIRSTdotorg/MISP,FIRSTdotorg/MISP,FIRSTdotorg/MISP,SteveClement/MISP,devnull-/MISP,devnull-/MISP,MISP/MISP,FloatingGhost/MISP,FloatingGhost/MISP,Rafiot/MISP,MISP/MISP,Rafiot/MISP,SteveClement/MISP,Rafiot/MISP