Bug: ensure existing publications publish for the configured tables

### Bug description

When the connector is started with a publication that is pre-created, the published tables are not matched to the configured tables. If a replication slot is created on the publication it can produce records for an unexpected tables or none of the expected tables.

### Steps to reproduce

1. Create tables t1, t2, t3
2. Create pub_t1_t2 publication for t1, t2
3. Start connector configured to use pub_t1_t2 but table t3
4. See records changes be published.

### Version

latest