Add “View Online” Button in Inventory Tab

Description: Add a “View Online” hyperlinked button to items in the Inventory tab for items with digitized content (these items used to have a green icon next to them on the right side).

Documentation (More Info): https://docs.google.com/document/d/1oPptiKipkoLq4rNOWI04owWJXuo4XQfp86tJCrLrQrE/edit