chg: added default to shadow_attributes old_id
chg: added default to shadow_attributes old_id

MISP/MISP,FloatingGhost/MISP,TheDr1ver/MISP,cristianbell/MISP,cristianbell/MISP,FIRSTdotorg/MISP,devnull-/MISP,devnull-/MISP,crruthe/MISP,cristianbell/MISP,FloatingGhost/MISP,FloatingGhost/MISP,MISP/MISP,cristianbell/MISP,FIRSTdotorg/MISP,TheDr1ver/MISP,Rafiot/MISP,MISP/MISP,MISP/MISP,SteveClement/MISP,devnull-/MISP,TheDr1ver/MISP,SteveClement/MISP,SteveClement/MISP,SteveClement/MISP,devnull-/MISP,Rafiot/MISP,FloatingGhost/MISP,crruthe/MISP,FIRSTdotorg/MISP,FIRSTdotorg/MISP,SteveClement/MISP,MISP/MISP,crruthe/MISP,Rafiot/MISP,TheDr1ver/MISP,crruthe/MISP,Rafiot/MISP