Non-async Prom mode: fix instance_state fetching for dormant DBs
Non-async Prom mode: fix instance_state fetching for dormant DBs

Even dormant DBs should be checked "live" in standard (non-async) Prom
mode for "up" state

cybertec-postgresql/pgwatch2,cybertec-postgresql/pgwatch2,cybertec-postgresql/pgwatch2,cybertec-postgresql/pgwatch2