🎁 Work show pg: Display Part Of as Periodical

In the non knapsack app, the part of label was called "Periodical". For the sake of consistency, the client would like to keep it this way.

Issue:
- https://github.com/scientist-softserv/adventist-dl/issues/658

app/views/hyrax/base/_attribute_rows.html.erb

@@ -12,7 +12,7 @@
 <% if can? :read, :admin_dashboard %>
   <%= presenter.attribute_to_html(:resource_type, render_as: :faceted) %>
 <% end %>
-<%= presenter.attribute_to_html(:part_of, render_as: :faceted) %>
+<%= presenter.attribute_to_html(:part_of, render_as: :faceted, label: 'Periodical') %>
 <%= presenter.attribute_to_html(:source, render_as: :faceted) %>
 <%= presenter.attribute_to_html(:aark_id, label: I18n.t('dog_biscuits.fields.aark_id')) %>
 <%= presenter.attribute_to_html(:place_of_publication) %>