Fixed PostEditedEvent data mapping

refs https://github.com/TryGhost/Team/issues/3169

- The "current" part of the payload should always have the "id" included to make the data structure easier to use for the event consumer

ghost/core/core/server/services/collections/model-to-domain-events-bridge.js

@@ -26,6 +26,7 @@ const domainEventDispatcher = (modelEventName, data) => {
         event = PostEditedEvent.create({
             id: data.id,
             current: {
+                id: data.id,
                 title: data.attributes.title,
                 status: data.attributes.status,
                 featured: data.attributes.featured,