fix: broken bro export
fix: broken bro export

- Sanitisation issues with linebreaks in comments breaking the export
SteveClement/MISP,SteveClement/MISP,FIRSTdotorg/MISP,devnull-/MISP,devnull-/MISP,FloatingGhost/MISP,SteveClement/MISP,FloatingGhost/MISP,cristianbell/MISP,Rafiot/MISP,FloatingGhost/MISP,MISP/MISP,crruthe/MISP,devnull-/MISP,crruthe/MISP,TheDr1ver/MISP,Rafiot/MISP,FIRSTdotorg/MISP,FloatingGhost/MISP,SteveClement/MISP,Rafiot/MISP,cristianbell/MISP,FIRSTdotorg/MISP,FIRSTdotorg/MISP,SteveClement/MISP,Rafiot/MISP,TheDr1ver/MISP,MISP/MISP,MISP/MISP,TheDr1ver/MISP,TheDr1ver/MISP,devnull-/MISP,crruthe/MISP,cristianbell/MISP,MISP/MISP,cristianbell/MISP,MISP/MISP,crruthe/MISP