[Improvement] Trino connector supports simple auth

### What would you like to be improved?

Gravitino server has supported simple auth. Trino connector should support simple auth.

### How should we improve?

_No response_

Start by locating the Trino connector and the Gravitino server's existing simple-auth implementation. Compare the authentication paths and find the connector tests that cover authentication behavior. Done means the Trino connector supports simple authentication consistently with the server, with coverage for the supported behavior.

Written by the indexing model from the issue text.