app/views/shared/metadata/show/_request.html.erb
<%# NOTE[xxx]: Kind of a hack because we're not actually building a form %>
<%= fields_for(request) do |form| %>
<%= form.fields_for(:request_metadata, builder: Metadata::ViewBuilder) do |metadata_fields| %>
<%- request.request_metadata.field_infos.each do |field_info| %>
<%= metadata_fields.plain_value(field_info.key) %>
<% end %>
<% end %>
<% end %>