stream: sync stream unpipe resume

pipe() ondata should not control flow state if cleaned up.

Fixes: https://github.com/nodejs/node/issues/31190

PR-URL: https://github.com/nodejs/node/pull/31191


Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>