Changes to List agent conversation threads

added the non-success response with the status 502

added the optional property error/code to the response with the 400 status

added the optional property error/code to the response with the 401 status

added the optional property error/details to the response with the 400 status

added the optional property error/details to the response with the 401 status

added the optional property error/request_id to the response with the 400 status

added the optional property error/request_id to the response with the 401 status

added the optional property error/retryable to the response with the 400 status

added the optional property error/retryable to the response with the 401 status

added the required property threads/items/agent_id to the response with the 200 status

added the required property threads/items/current_run_id to the response with the 200 status

removed the required property threads/items/agent_id from the response with the 200 status

removed the required property threads/items/current_run_id from the response with the 200 status

added the required property threads/items/agent_id to the response with the 200 status

added the required property threads/items/current_run_id to the response with the 200 status

added the new CANCELLED enum value to the threads/items/status response property for the response status 200

added the new CANCELLING enum value to the threads/items/status response property for the response status 200

added the new FAILED enum value to the threads/items/status response property for the response status 200

added the new QUEUED enum value to the threads/items/status response property for the response status 200

added the new RUNNING enum value to the threads/items/status response property for the response status 200

added the new SUCCEEDED enum value to the threads/items/status response property for the response status 200

endpoint added