buffer,n-api: fix double ArrayBuffer::Detach() during cleanup

These calls could fail if the `ArrayBuffer` had already been explicitly
detached at some point in the past.

The necessary test changes already came with 4f523c2c and could
be ported back to v12.x with a backport of this PR.

Fixes: https://github.com/nodejs/node/issues/33022
Refs: https://github.com/nodejs/node/pull/30551

PR-URL: https://github.com/nodejs/node/pull/33039


Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Chengzhong Wu <legendecas@gmail.com>
Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com>
Reviewed-By: Gerhard Stöbich <deb2001-github@yahoo.de>
Reviewed-By: David Carlier <devnexen@gmail.com>
Reviewed-By: Juan José Arboleda <soyjuanarbol@gmail.com>