move isExtension to dimFeatureFlags
move isExtension to dimFeatureFlags

DestinyItemManager/DIM,bhollis/DIM,delphiactual/DIM,48klocs/DIM,chrisfried/DIM,delphiactual/DIM,48klocs/DIM,DestinyItemManager/DIM,DestinyItemManager/DIM,48klocs/DIM,delphiactual/DIM,bhollis/DIM,DestinyItemManager/DIM,delphiactual/DIM,chrisfried/DIM,bhollis/DIM,chrisfried/DIM,chrisfried/DIM,bhollis/DIM