message: fix(dataset): retain is_dttm if set on metadata sync
diff: @@ -464,13 +464,13 @@ class DatasourceEditor extends React.PureComponent {
  results.added.push(col.name);
  } else if (
  currentCol.type !== col.type ||
  - currentCol.is_dttm !== col.is_dttm
  + (!currentCol.is_dttm && col.is_dttm)
  ) {
  // modified column
  finalColumns.push({
  ...currentCol,
  type: col.type,
  - is_dttm: col.is_dttm,
  + is_dttm: currentCol.is_dttm || col.is_dttm,
  });
  results.modified.push(col.name);
  } else {
  