Rails 5: fix issue move service

In rails 5, the attributes method for an enum returns the name
instead of the database integer.

app/services/issues/move_service.rb

@@ -102,7 +102,7 @@ module Issues
         events = batch.map do |event|
           event.attributes
             .except('id', 'reference', 'reference_html')
-            .merge('issue_id' => @new_issue.id, 'created_at' => event.created_at)
+            .merge('issue_id' => @new_issue.id, 'action' => ResourceLabelEvent.actions[event.action])
         end
 
         Gitlab::Database.bulk_insert(ResourceLabelEvent.table_name, events)

changelogs/unreleased/rails5-fix-issue-move-service.yml

+---
+title: 'Rails 5: fix issue move service In rails 5, the attributes method for an enum
+  returns the name instead of the database integer.'
+merge_request: 21616
+author: Jasper Maes
+type: other