fix: Fixed an invalid array_merge in the attribute fetcher
fix: Fixed an invalid array_merge in the attribute fetcher

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