Description

This PR applies fixes for "closed conn" errors after resetting the connection via "reset command", enhances reset adding optional snapshot_id or latest clause, and adds one new "snapshots" command to list available snapshots Help is updated too.

Checklist

the MR description has been reviewed
this MR contains text changes and they have been reviewed OR there are no texts changes
this MR contains GUI/CLI changes and they have been reviewed OR there are no GUI/CLI changes
this MR contains API changes and they have been reviewed OR there are no API changes