[client-v2] Fix usage of setDatabase in InsertSettings

[Am-phi]

Summary

The setting database in the InsertSettings wasn't used when doing insert as only the database in the config was considered. This PR aim to fix this issue

Closes: #1868

Checklist

Delete items not relevant to your PR:

• Unit and integration tests covering the common scenarios were added
• A human-readable description of the changes was provided to include in CHANGELOG

[CLAassistant]

All committers have signed the CLA.

[chernser]

@Am-phi many thanks for the fix!

[chernser]

@Am-phi I've approved. Would you please resolve merge conflicts and I will merge it?

Thanks!