Merge branch 'gmail_actions_links_on_set_of_emails' into 'master'

Show Gmail actions links only on expected set of emails



See merge request !1901

app/helpers/emails_helper.rb

@@ -28,6 +28,8 @@ module EmailsHelper
         return "View #{action.humanize.singularize}"
       end
     end
+
+    nil
   end
 
   def color_email_diff(diffcontent)