Implement memoization in project correctly this time

app/models/project.rb

@@ -486,7 +486,9 @@ class Project < ActiveRecord::Base
   end
   def has_container_registry_tags?
-    @images ||= container_repositories.to_a.any?(&:has_tags?) ||
+    return @images if defined?(@images)
+
+    @images = container_repositories.to_a.any?(&:has_tags?) ||
       has_root_container_repository_tags?
   end