Yes, any “modified” cert is actually a new cert.
But to answer his question, I think you could “expand” a cert to include the wildcard entry.
So that may take some thought nonetheless, as
becomes an overlap
Should certbot reduce this list for you? (probably not)
Also, wildcard doesn’t mean any and every.
For instance, a wildcard should not cover subdomains.
So a cert for:
can’t be reduced into: *.domain.tld