Add Linked Social Network to User State on Login

- Update `on_login` function in `functi.py` to store the user's linked social network in the state.
- This change ensures that the user's linked social network is available for use throughout the session.

functi.py

@@ -446,6 +446,7 @@ def on_login(state, payload):
         state.current_user = email
         data = db_manager.fetch_source_table(state.user_inf.user.id)
         dataac = db_manager.fetch_account_table(state.user_inf.user.id)
+        state.Linked_social_network = dataac["account_name"].iloc[0]  
         state.data_schedule = db_manager.fetch_schedule_table_acc(state.user_inf.user.id)
         state.data_account = pd.DataFrame(dataac)
         state.Source_table = pd.DataFrame(data)