Add "Translate" button to the right sidebar of the benefits detail pages edit and view screens

[kevwalsh]

AC

• Editor can easily find a button to manage translations on the right sidebar

Implementation

• Add a view display to the existing right sidebar view, with a filter that it only shows on Benefits details pages.

[swirtSJW]

Merged https://github.com/agilesix/va.gov-cms/pull/53