Make sure dynamic enums are i18n'd for archival objects and digital objects

Fixes this one:

  https://www.pivotaltracker.com/story/show/50617725

Dynamic enums weren't being I18n'd in the show view of AO's or DOC's.  I put those forms into their own template definitions (defined with the appropriate JSONModel), and that did the trick.

Assigning to @payten because he loves forms.