message: fix(datasets): Include expression and description in duplicated dataset columns
diff: @@ -76,10 +76,12 @@ class DuplicateDatasetCommand(CreateMixin, BaseCommand):
  col = TableColumn(
  column_name=column_name,
  verbose_name=config_.verbose_name,
  + expression=config_.expression,
  filterable=True,
  groupby=True,
  is_dttm=config_.is_dttm,
  type=config_.type,
  + description=config_.description,
  )
  cols.append(col)
  table.columns = cols
  