Is `source.url` in conversations searchable with non-trivial string operators? I am trying to search `source.url` using the contains ("~") or starts with ("^") operators to filter to a specific domain, and am getting no results. When I search using equals ("="), results are returned but that isn't viable as the URLs may change. For example:curl -X POST \
--data '{ "query": { "field": "source.url", "operator": "~", "value": "test.com" }}' \
-H 'Authorization: Bearer XXXX' \
-H 'Accept: application/json' \
-H 'Intercom-Version: 2.3' \
-H 'Content-Type: application/json' \
'https://api.intercom.io/conversations/search#39;
{"type":"conversation.list","pages":{"type":"pages","page":1,"per_page":150,"total_pages":0},"total_count":0,"conversations":[]}
curl -X POST \
--data '{ "query": { "f
