zlib: report premature ends earlier

Report end-of-stream when decompressing when we detect it,
and do not wait until the writable side of a zlib stream
is closed as well.

Refs: https://github.com/nodejs/node/issues/26332

PR-URL: https://github.com/nodejs/node/pull/26363
Refs: https://github.com/nodejs/node/issues/26332


Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: James M Snell <jasnell@gmail.com>