fix: [stix2 import] Parsing file objects in a more generic way between classes
fix: [stix2 import] Parsing file objects in a more generic way between classes

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