...
default_search is a default value of elasticsearch.override.pageproviders so we have to leave it in the list when uncommenting
There is a diagnosis servlet for listing all searchable indexes in a given case, using URL endpoint:http://<server_host>/casebrowser/admin/documents-index-info?case_number=<case_ref>
e.g.
http://our-dms-server.com:9080/casebrowser/admin/documents-index-info?case_number=P1046DEEP