message: livetail timestamp correction
diff: @@ -2908,7 +2908,7 @@ func (r *ClickHouseReader) TailLogs(ctx context.Context, client *model.LogsTailC
  "CAST((resources_string_key, resources_string_value), 'Map(String, String)') as resources_string "+
  "from %s.%s", r.logsDB, r.logsTable)
  - tsStart := uint64(time.Now().UnixNano() / int64(time.Millisecond))
  + tsStart := uint64(time.Now().UnixNano())
  if client.Filter.TimestampStart != nil {
  tsStart = *client.Filter.TimestampStart
  }
  @@ -2959,7 +2959,7 @@ func (r *ClickHouseReader) TailLogs(ctx context.Context, client *model.LogsTailC
  }
  }
  if len == 0 {
  - tsStart = uint64(time.Now().UnixNano() / int64(time.Millisecond))
  + tsStart = uint64(time.Now().UnixNano())
  }
  time.Sleep(2 * time.Second)
  }
  