Changes to Return all standalone Notetakers

the allOf[#/components/schemas/common_response_with_cursor]/data response's property type changed from object to array for status 200

added the optional property error/provider_error to the response with the 429 status

added the optional property allOf[subschema #2]/data/items/meeting_settings/allOf[subschema #2]/messages to the response with the 200 status