message: fix: revert "feat(sqla): apply time grain to all temporal groupbys"
  * Revert "feat(sqla): apply time grain to all temporal groupbys (#16318)"
  This reverts commit
  * Update models.py
diff: @@ -1092,16 +1092,16 @@ class SqlaTable(Model, BaseDatasource): # pylint: disable=too-many-public-metho
  columns = groupby or columns
  for selected in columns:
  # if groupby field/expr equals granularity field/expr
  - table_col = columns_by_name.get(selected)
  - if table_col and table_col.type_generic == GenericDataType.TEMPORAL:
  - outer = table_col.get_timestamp_expression(
  + if selected == granularity:
  + sqla_col = columns_by_name[selected]
  + outer = sqla_col.get_timestamp_expression(
  time_grain=time_grain,
  label=selected,
  template_processor=template_processor,
  )
  # if groupby field equals a selected column
  - elif table_col:
  - outer = table_col.get_sqla_col()
  + elif selected in columns_by_name:
  + outer = columns_by_name[selected].get_sqla_col()
  else:
  outer = literal_column(f"({selected})")
  outer = self.make_sqla_column_compatible(outer, selected)
  