Fixed the bug in migrate IP trunk workflow.

gso/workflows/iptrunk/migrate_iptrunk.py

@@ -658,7 +658,7 @@ def update_subscription_model(
     subscription.iptrunk.iptrunk_sides[replace_index].iptrunk_side_ae_members.clear()
     #  And update the list to only include the new member interfaces
     for member in new_lag_member_interfaces:
-        subscription.iptrunk.iptrunk_sides[0].iptrunk_side_ae_members.append(
+        subscription.iptrunk.iptrunk_sides[replace_index].iptrunk_side_ae_members.append(
             IptrunkInterfaceBlock.new(subscription_id=uuid4(), **member),
         )