fix: [stix2 export] Fixed event dictionary reading
fix: [stix2 export] Fixed event dictionary reading

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