Use Case

The NATS output plugin use the NATS Core publisher both for Core and Jetstream. This can be problematic when publishing many messages to a Jetsteam, e.q you can overload the server. Should change publisher to use Jetstream publisher insted of Core when publishing to Jetstream.

Expected behavior

When Jetstream is configured for NATS output, it should use Jetstream publisher.

Actual behavior

NATS output use NATS core publisher both for Core and Jetstream.

Additional info

No response