fix: [stix2 export] Fixed event fetching
fix: [stix2 export] Fixed event fetching

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