message: Suggest `for element in dataset` when users use old-style iteration in eager mode
diff: @@ -1826,7 +1826,7 @@ class DatasetV1(DatasetV2):
  if context.executing_eagerly():
  raise RuntimeError(
  "dataset.make_initializable_iterator is not supported when eager "
  - "execution is enabled.")
  + "execution is enabled. Use `for element in dataset` instead.")
  _ensure_same_dataset_graph(self)
  dataset = self._apply_options()
  if shared_name is None:
  