Self Service Link not displayed when using authentication tree

Bug description

User Self Service after configured is shown in Authentication Chain such as user registration link and forgotten password link. However, this is not seen when using Authentication Tree.

How to reproduce the issue

1. Create User Self-Service with default Encryption Key Pair Alias and Signing Secret Key Alias
2. Enabled User Registration
3. Access the web browser (http://am.example.com:8080/openam). The default Organization Authentication Configuration which is ldapService. The web browser would display "New here? Create an account" below Log in button (img1).
4. Modify the default Organization Authentication Configuration to Example and save
5. Access the web browser (http://am.example.com:8080/openam).

Expected behaviour

The web browser would display "New here? Create an account" below Log in button.

Current behaviour

The current web browser does not displayed (img2).