This change adds the ability to include a `source_id` param when querying the `/api/v1/accounts/{account_id}/conversations/search` endpoint. It restricts to results to only conversations related to a contact_inbox with the provided parameter. My motivation for adding this feature was to allow an external API to communicate with a specific conversation with only an awareness of the conversation `source_id` from the client.
Co-authored-by: Sojan Jose <sojan@pepalo.com>