[B] Fix user group entitleable filename and inverse reference

Author: timfrazee

…models/user_group_entitlement_subject.rb api/app/models/user_group_entitleable.rbapi/app/models/user_group_entitlement_subject.rb renamed to api/app/models/user_group_entitleable.rb api/app/models/user_group_entitlement_subject.rb renamed to api/app/models/user_group_entitleable.rb

@@ -1,4 +1,4 @@
 class UserGroupEntitleable < ApplicationRecord
-  belongs_to :user_group, inverse_of: :user_group_entitlement_subjects
+  belongs_to :user_group, inverse_of: :user_group_entitleables
   belongs_to :entitleable, polymorphic: true
 end