fix: double Run create on load_run

fixes aws#3673

Author: danabens

src/sagemaker/experiments/run.py

@@ -633,7 +633,8 @@ def _extract_run_name_from_tc_name(trial_component_name: str, experiment_name: s
         Returns:
             str: The name of the Run object supplied by a user.
         """
-        return trial_component_name.replace("{}{}".format(experiment_name, DELIMITER), "", 1)
+        # TODO: we should revert the lower casting once backend fix reaches prod
+        return trial_component_name.replace("{}{}".format(experiment_name.lower(), DELIMITER), "", 1)
 
     @staticmethod
     def _append_run_tc_label_to_tags(tags: Optional[List[Dict[str, str]]] = None) -> list:
@@ -843,7 +844,6 @@ def list_runs(
     created_after: Optional[datetime.datetime] = None,
     sagemaker_session: Optional["Session"] = None,
     max_results: Optional[int] = None,
-    next_token: Optional[str] = None,
     sort_by: SortByType = SortByType.CREATION_TIME,
     sort_order: SortOrderType = SortOrderType.DESCENDING,
 ) -> list:
@@ -861,14 +861,15 @@ def list_runs(
             AWS services needed. If not specified, one is created using the
             default AWS configuration chain.
         max_results (int): Maximum number of Run objects to retrieve (default: None).
-        next_token (str): Token for next page of results (default: None).
         sort_by (SortByType): The property to sort results by. One of NAME, CREATION_TIME
             (default: CREATION_TIME).
         sort_order (SortOrderType): One of ASCENDING, or DESCENDING (default: DESCENDING).
 
     Returns:
         list: A list of ``Run`` objects.
     """
+
+    # all trial components retrieved by default
     tc_summaries = _TrialComponent.list(
         experiment_name=experiment_name,
         created_before=created_before,
@@ -877,7 +878,6 @@ def list_runs(
         sort_order=sort_order.value,
         sagemaker_session=sagemaker_session,
         max_results=max_results,
-        next_token=next_token,
     )
     run_list = []
     for tc_summary in tc_summaries: