fix: [stix2 import] Importing regkey & regkey|value as attribute and not regkey object
fix: [stix2 import] Importing regkey & regkey|value as attribute and not regkey object

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