Changes to List Conversations

added the optional property items/items/text_session_id to the response with the 200 status

added the optional property items/items/voice_call_id to the response with the 200 status

added the optional property items/items/action_item_id to the response with the 200 status

added the new optional query request parameter search

the response property items/items/user_id became optional for the status 200

response property items/items/user_id list-of-types was widened by adding types null to media type application/json of response 200

added the optional property items/items/channel to the response with the 200 status

added the optional property items/items/external_conversation_id to the response with the 200 status

added the optional property items/items/external_thread_key to the response with the 200 status

added the optional property items/items/integration_connection_id to the response with the 200 status

added the optional property detail/items/ctx to the response with the 422 status

added the optional property detail/items/input to the response with the 422 status