Pass in work package to webhook

[ci skip]

modules/webhooks/lib/open_project/webhooks/event_resources/work_package.rb

@@ -22,8 +22,9 @@ module OpenProject::Webhooks::EventResources
       def handle_notification(payload, event_name)
         action = payload[:journal].initial? ? "created" : "updated"
         event_name = prefixed_event_name(action)
+        work_package = payload[:journal].journable
         active_webhooks.with_event_name(event_name).pluck(:id).each do |id|
-          WorkPackageWebhookJob.perform_later(id, payload[:journal].id, event_name)
+          WorkPackageWebhookJob.perform_later(id, work_package, event_name)
         end
       end
     end