Deprecate custom CanCanCan aliases used with accessible_by

Author: filippoliverani

core/app/models/spree/ability.rb

@@ -44,6 +44,10 @@ def can?(action, *args)
       super(normalize_action(action), *args)
     end
 
+    def model_adapter(model_class, action)
+      super(model_class, normalize_action(action))
+    end
+
     private
 
     def normalize_action(action)

core/spec/models/spree/ability_spec.rb

@@ -318,5 +318,12 @@ def initialize(_user)
       expect(Spree::Deprecation).to have_received(:warn)
         .with(/alias action display is deprecated/)
     end
+
+    it 'raises deprecation when called on models by accessible_by' do
+      Spree::Order.accessible_by(ability, :display)
+
+      expect(Spree::Deprecation).to have_received(:warn)
+        .with(/alias action display is deprecated/)
+    end
   end
 end