lib: aggregate errors to avoid error swallowing

Uses `AggregateError` if there are more than one error with the message
of the outer error to preserve the current behaviour, or returns the
logical OR comparison of the two parameters.

PR-URL: https://github.com/nodejs/node/pull/37460


Reviewed-By: Darshan Sen <raisinten@gmail.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Robert Nagy <ronagy@icloud.com>