Merge pull request rails#52634 from Shopify/uk-fix-method-added

Call `super` from `method_added`/`singleton_method_added` methods

Author: byroot

activerecord/lib/active_record/scoping/named.rb

@@ -190,6 +190,7 @@ def scope(name, body, &block)
 
         private
           def singleton_method_added(name)
+            super
             # Most Kernel extends are both singleton and instance methods so
             # respond_to is a fast check, but we don't want to define methods
             # only on the module (ex. Module#name)

activesupport/lib/active_support/current_attributes.rb

@@ -182,6 +182,7 @@ def respond_to_missing?(name, _)
         end
 
         def method_added(name)
+          super
           return if name == :initialize
           return unless public_method_defined?(name)
           return if respond_to?(name, true)

activesupport/lib/active_support/subscriber.rb

@@ -67,6 +67,7 @@ def detach_from(namespace, notifier = ActiveSupport::Notifications)
 
       # Adds event subscribers for all new methods added to the class.
       def method_added(event)
+        super
         # Only public methods are added as subscribers, and only if a notifier
         # has been set up. This means that subscribers will only be set up for
         # classes that call #attach_to.