Fails to create event with no duration
When saving an appointment with no duration, a different duration is created.
Steps to Reproduce
- Add an Exchange calendar
- Create an appointment in the calendar
- Set start to 2020-03-03 12:00
- Set end to 2020-03-03 12:00 (might need several attempts)
- Save the appointment
Either the appointment cannot be created (error message, saving disabled, etc.) or the appointment is saved as-specified. Outlook Web App can save the appointment without issue.
A whole-day event is created or the resulting event spans multiple days. Resetting start and end date to the same value can yield different results.