Test and fix contact_versions controller affected by the same bug

app/controllers/admin/domain_versions_controller.rb

@@ -1,5 +1,7 @@
 module Admin
   class DomainVersionsController < BaseController
+    include ObjectVersionsHelper
+
     load_and_authorize_resource
 
     def index

app/views/admin/contact_versions/index.haml

@@ -58,7 +58,7 @@
           - @versions.each do |version|
             - if version
             - contact = Contact.new(version.object.to_h)
-            - version.object_changes.to_h.each { |k,v| contact.public_send("#{k}=", v.last) }
+            - attach_existing_fields(version, contact)
 
               %tr
                 %td= link_to(contact.name, admin_contact_version_path(version.id))

app/views/admin/contact_versions/show.haml

@@ -1,5 +1,5 @@
 - contact = Contact.new(@version.object.to_h)
-- @version.object_changes.to_h.each { |k,v| contact.public_send("#{k}=", v.last ) }
+- attach_existing_fields(@version, contact)
 = render 'shared/title', name: contact.name
 
 .row
@@ -41,11 +41,11 @@
 
           %br
 
-          %dt= t(:created)
+          %dt= t(:created_at)
           %dd{class: changing_css_class(@version,"created_at")}
             = l(contact.created_at, format: :short)
 
-          %dt= t(:updated)
+          %dt= t(:updated_at)
           %dd{class: changing_css_class(@version,"updated_at")}
             = l(contact.updated_at, format: :short)