Updated IDA template with corrected X-Forwarded-* header configuration

ECOM-2835

playbooks/roles/ansible-role-django-ida/templates/templates/edx/app/nginx/sites-available/ROLE_NAME.j2

@@ -49,9 +49,15 @@ server {
   {{ '{%' }} endif {{ '%}' }}
 
   location @proxy_to_app {
+    {{ '{%' }} if NGINX_SET_X_FORWARDED_HEADERS {{ '%}' }}
+    proxy_set_header X-Forwarded-Proto $scheme;
+    proxy_set_header X-Forwarded-Port $server_port;
+    proxy_set_header X-Forwarded-For $remote_addr;
+    {{ '{%' }} else {{ '%}' }}
     proxy_set_header X-Forwarded-Proto $http_x_forwarded_proto;
     proxy_set_header X-Forwarded-Port $http_x_forwarded_port;
     proxy_set_header X-Forwarded-For $http_x_forwarded_for;
+    {{ '{%' }} endif {{ '%}' }}
     proxy_set_header Host $http_host;
 
     proxy_redirect off;