Add a test for configuring provider certs via config

Add a test for configuring provider certs via config

A bug existed where provider added cert algorithms caused a crash when
they were configured via a config file. We add a test for this scenario.

Reviewed-by: Viktor Dukhovni <viktor@openssl.org>
Reviewed-by: Dmitry Belyavskiy <beldmit@gmail.com>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
Reviewed-by: Tim Hudson <tjh@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/26663)

(cherry picked from commit e2bfb61f617fa0f3acf88263a9afc702320660db)