SIENTIAPDE-1184

fix: add conditional check for data_filter in MongoDB activity

- Updated the insert_many method to only execute if data_filter is not empty, preventing unnecessary database operations and potential errors.

orchestrator/activities/mongo_db.py

@@ -1,4 +1,3 @@
-from pandas import DataFrame
 from temporalio import workflow, activity
 
 
@@ -257,6 +256,7 @@ class MongoDB(BaseActivity):
         data_filter = argument if argument else {}
 
         try:
+            if data_filter:
                 collection.insert_many(data_filter)
         except Exception as e:
             trace = traceback.format_exc()