R1:22b9b76079be

Fix control state for custom application policies with template types

Summary:
Fixes T9118. When populating some policy controls like "Default Can View" for repositories, we do some special logic to add object policies which are valid for the target object type.

For example, it's OK to set the default policy for an object which has subscribers to "Subscribers".

However, this logic incorrectly //removed// custom policies, so the form input ended up blank.

Instead, provide both object policies and custom…