Also try multiple email and SANs found in cert until one valid
otherwise, default to the subject in the cert.
```
authorization {
users [
{ user = "app.nats.dev", permissions = {
publish {
allow = ["sandbox.>"]
}
subscribe {
allow = ["sandbox.>"]
}
}
}
]
}
```
Signed-off-by: Waldemar Quevedo <wally@synadia.com>
