LDAP loader in UI shows subject attribute as required differently from wiki

The wiki states for LDAP loaders:

https://spaces.at.internet2.edu/display/Grouper/Grouper+-+Loader+LDAP

• name: grouperLoaderLdapSubjectAttribute
• display name: Grouper loader LDAP subject attribute name
• required? required, for LDAP_SIMPLE, and LDAP_GROUP_LIST, optional for LDAP_GROUPS_FROM_ATTRIBUTES
• description: Attribute name of the filter object result that holds the subject id.

However, the UI shows this field is required (has the required field asterisk) for LDAP_GROUPS_FROM_ATTRIBUTES, and not required form LDAP_GROUP_LIST. For an attribute loader, you can still leave it blank and there are no errors, despite it looking required. For a group loader, however, it doesn't show it as required, but there is still a UI error of "Subject attribute name is required when loader type is LDAP_SIMPLE or LDAP_GROUP_LIST" if you don't put it in.