Use delegate in web/push_subscription model for token value (#38313)

app/models/web/push_subscription.rb

@@ -29,6 +29,7 @@ class Web::PushSubscription < ApplicationRecord
   validates_with WebPushKeyValidator
 
   delegate :locale, to: :user
+  delegate :token, to: :access_token, prefix: :associated_access
 
   generates_token_for :unsubscribe, expires_in: Web::PushNotificationWorker::TTL
 
@@ -36,10 +37,6 @@ class Web::PushSubscription < ApplicationRecord
     policy_allows_notification?(notification) && alert_enabled_for_notification_type?(notification)
   end
 
-  def associated_access_token
-    access_token.token
-  end
-
   class << self
     def unsubscribe_for(application_id, resource_owner)
       access_token_ids = Doorkeeper::AccessToken.where(application_id: application_id, resource_owner_id: resource_owner.id).not_revoked.pluck(:id)

spec/models/web/push_subscription_spec.rb

@@ -93,4 +93,8 @@ RSpec.describe Web::PushSubscription do
       end
     end
   end
+
+  describe 'Delegations' do
+    it { is_expected.to delegate_method(:token).to(:access_token).with_prefix(:associated_access) }
+  end
 end