tty: expose stream API from readline methods

This commit exposes the return value and callback of the
underlying readline APIs from the tty module.

PR-URL: https://github.com/nodejs/node/pull/28721


Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>