Before this fix, active_id wasn't defined on non existing record. For example: when you tried to add a new contact on a new partner. Now, active_id is false if there is no id on the current record. So, you can use this value to evaluate the context
Before this fix, active_id wasn't defined on non existing record. For example: when you tried to add a new contact on a new partner. Now, active_id is false if there is no id on the current record. So, you can use this value to evaluate the context