[Screencast from 04-14-2024 08:40:07 AM.webm](https://github.com/ecamp/ecamp3/assets/1506818/288d1db6-3388-4044-a0ec-0ef0c25b7a0d) - [ ] If you delete a scheduleEntry from the Activity view, the frontend breaks. - [ ] If you add a ScheduleEntry to an activity, a new activity is created, instead of adding a scheduleEntry to the activity.