chg: [roles] Initially sets perm_decaying permission to mirror sighting permission
chg: [roles] Initially sets perm_decaying permission to mirror sighting
permission

FIRSTdotorg/MISP,SteveClement/MISP,SteveClement/MISP,FIRSTdotorg/MISP,SteveClement/MISP,MISP/MISP,FIRSTdotorg/MISP,MISP/MISP,MISP/MISP,MISP/MISP,FIRSTdotorg/MISP,SteveClement/MISP,SteveClement/MISP,MISP/MISP