stream: lazy read ReadStream

Using stream._construct would cause the Readable
to incorrectly greedily start reading.

Fixes: https://github.com/nodejs/node/issues/36251

PR-URL: https://github.com/nodejs/node/pull/36823


Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>