[client-v2] Small fixes

[chernser]

Summary

This PR is mainly to add verification of old problems to make sure v2 is free of them.

Closes: #378
Closes: #2098
Closes: #209
Closes: #283
Closes: #392

Checklist

Delete items not relevant to your PR:

• Closes Support lowCardinality insert in RowBinaryStream #378, client v2 query result get by reader.next() error #2098, ClickHouse JDBC executeQuery with  #209, Inserting Array(FixedString(N)) #283, Provide method to get query_id from Statement object #392
• Unit and integration tests covering the common scenarios were added
• A human-readable description of the changes was provided to include in CHANGELOG
• For significant changes, documentation in https://github.com/ClickHouse/clickhouse-docs was updated with further explanations or tutorials

[sonarqubecloud]

Quality Gate passed

Issues
2 New issues
0 Accepted issues

Measures
0 Security Hotspots
100.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud