update to add github trigger

app/controllers/application_controller.rb

@@ -25,7 +25,7 @@ class ApplicationController < ActionController::Base
   before_action :set_locale
 
   # Force SSL for loadbalancer configurations.
-  before_filter :redirect_to_https
+  before_action :redirect_to_https
 
   protect_from_forgery with: :exception
 

app/views/shared/components/_recording_row.html.erb

@@ -38,7 +38,7 @@
     <div class="small text-muted text-uppercase">
       <%= t("recording.table.users") %>
     </div>
-    <%= recording[:participants] %>
+    <%= recording[:participants] || "-" %>
   </td>
   <td class="text-left">
     <div class="dropdown">