UX: Add post action text in non-JS topic view

app/views/topics/show.html.erb

@@ -48,6 +48,12 @@
         <span>
           <a href='<%= Discourse.base_uri %>/u/<%= u.username %>'><b itemprop='author'><%= u.username %></b></a>
           <%= "(#{u.name})" if (SiteSetting.display_name_on_posts && SiteSetting.enable_names? && !u.name.blank?) %>
+          <%
+            who_username = post.custom_fields["action_code_who"] || ""
+            if post.action_code
+          %>
+            <%= t("js.action_codes.#{post.action_code}", when: "", who: who_username).html_safe %>
+          <% end %>
           <time datetime='<%= post.created_at.to_formatted_s(:iso8601) %>' itemprop='datePublished'>
             <%= post.created_at %>
           </time>