[v20.x] vm: harden module type checks

[legendecas]

Check if the value returned from user linker function is a null-ish value.

validateInternalField should be preferred when checking this argument to guard against null-ish this.

Co-authored-by: Mike Ralphson [email protected] PR-URL: https://github.com/nodejs/node/pull/52162 Reviewed-By: Vinícius Lourenço Claro Cardoso [email protected] Reviewed-By: Yagiz Nizipli [email protected]