The reload method in our callback was refreshing the object and hence the saved_change_to_assignee_id? Method wasn't working in the following callbacks.
This impacted the listeners subscribing to the event `ASSIGNEE_CHANGE`, `TEAM_CHANGE` etc
- fix the wrong conversation status being sent in webhooks
- additional information in websocket events
- refactor activity messaging code
- move activity message generation to background job to stop the callback loop
