Unify app/presenters/merge_request_presenter.rb

app/presenters/merge_request_presenter.rb

 class MergeRequestPresenter < Gitlab::View::Presenter::Delegated
+  prepend EE::MergeRequestPresenter
+
   include ActionView::Helpers::UrlHelper
   include GitlabRoutingHelper
   include MarkupHelper
@@ -102,12 +104,6 @@ class MergeRequestPresenter < Gitlab::View::Presenter::Delegated
     end
   end
 
-  def approvals_path
-    if requires_approve?
-      approvals_project_merge_request_path(project, merge_request)
-    end
-  end
-
   def source_branch_with_namespace_link
     namespace = source_project_namespace
     branch = source_branch

ee/app/presenters/ee/merge_request_presenter.rb

+module EE
+  module MergeRequestPresenter
+    def approvals_path
+      if requires_approve?
+        approvals_project_merge_request_path(project, merge_request)
+      end
+    end
+  end
+end