stream: don't destroy final readable stream in pipeline

If the last stream in a pipeline is still usable/readable
don't destroy it to allow further composition.

Fixes: https://github.com/nodejs/node/issues/32105

PR-URL: https://github.com/nodejs/node/pull/32110


Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>