crypto: put legacy _handle accessors on prototypes

Creating deprecated accessors each time an object is created is very
time consuming.

Refs: https://github.com/nodejs/node/pull/22747
Fixes: https://github.com/nodejs/node/issues/24266

PR-URL: https://github.com/nodejs/node/pull/24269


Reviewed-By: Tobias Nießen <tniessen@tnie.de>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>