fix: [stix export] Fixed xml package string replacement
fix: [stix export] Fixed xml package string replacement

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