Move Issue#order_created_at_desc from EE to CE

app/models/issue.rb

@@ -68,6 +68,7 @@ class Issue < ApplicationRecord
   scope :order_closest_future_date, -> { reorder(Arel.sql('CASE WHEN issues.due_date >= CURRENT_DATE THEN 0 ELSE 1 END ASC, ABS(CURRENT_DATE - issues.due_date) ASC')) }
   scope :order_relative_position_asc, -> { reorder(::Gitlab::Database.nulls_last_order('relative_position', 'ASC')) }
   scope :order_closed_date_desc, -> { reorder(closed_at: :desc) }
+  scope :order_created_at_desc, -> { reorder(created_at: :desc) }
 
   scope :preload_associated_models, -> { preload(:labels, project: :namespace) }
   scope :with_api_entity_associations, -> { preload(:timelogs, :assignees, :author, :notes, :labels, project: [:route, { namespace: :route }] ) }

ee/app/models/ee/issue.rb

@@ -19,7 +19,6 @@ module EE
 
       scope :order_weight_desc, -> { reorder ::Gitlab::Database.nulls_last_order('weight', 'DESC') }
       scope :order_weight_asc, -> { reorder ::Gitlab::Database.nulls_last_order('weight') }
-      scope :order_created_at_desc, -> { reorder(created_at: :desc) }
       scope :service_desk, -> { where(author: ::User.support_bot) }
       scope :no_epic, -> { left_outer_joins(:epic_issue).where(epic_issues: { epic_id: nil }) }
       scope :in_epics, ->(epics) do