user.rb in bullet-6.1.3

- old
+ new

@@ -1,6 +1,7 @@
 # frozen_string_literal: true
 
 class User < ActiveRecord::Base
   has_one :submission
+  has_one :submission_attachment, through: :submission, source: :attachment, class_name: 'Attachment'
   belongs_to :category
 end