removing detail field from read-only section for Editorial Vendors group (#951)
removing detail field from read-only section for Editorial Vendors group (#951)

this was preventing the detail field from being copied over when saving an erratum as a new one (copying it)
openstax/openstax-cms,Connexions/openstax-cms,openstax/openstax-cms,Connexions/openstax-cms,openstax/openstax-cms,openstax/openstax-cms