fix has_many add field for active_admin theme
fix has_many add field for active_admin theme

smpallen99/ex_admin,kleinernik/ex_admin,smpallen99/ex_admin,kleinernik/ex_admin,Kociamber/ex_admin,romul/ex_admin,whitepaperclip/ex_admin,whitepaperclip/ex_admin,romul/ex_admin,Kociamber/ex_admin