do not save events to db when running data migrations w/ burnettk

spiffworkflow-backend/src/spiffworkflow_backend/data_migrations/version_2.py

@@ -29,7 +29,7 @@ class Version2(DataMigrationBase):
             for spiff_task in spiff_tasks:
                 cls.update_spiff_task_parents(spiff_task, task_service)
 
-            task_service.save_objects_to_database()
+            task_service.save_objects_to_database(save_process_instance_events=False)
         except Exception as ex:
             current_app.logger.warning(
                 f"Failed to migrate process_instance '{process_instance.id}'. The error was {str(ex)}"

spiffworkflow-backend/src/spiffworkflow_backend/services/task_service.py

@@ -117,10 +117,11 @@ class TaskService:
         self.json_data_dicts: dict[str, JsonDataDict] = {}
         self.process_instance_events: dict[str, ProcessInstanceEventModel] = {}
 
-    def save_objects_to_database(self) -> None:
+    def save_objects_to_database(self, save_process_instance_events: bool = True) -> None:
         db.session.bulk_save_objects(self.bpmn_processes.values())
         db.session.bulk_save_objects(self.task_models.values())
-        db.session.bulk_save_objects(self.process_instance_events.values())
+        if save_process_instance_events:
+            db.session.bulk_save_objects(self.process_instance_events.values())
         JsonDataModel.insert_or_update_json_data_records(self.json_data_dicts)
 
     def process_parents_and_children_and_save_to_database(