Cannot edit single all day event in recurrence series to non all day event

Issue Summary

Cannot change single all day event in recurrence series to non all day event

Steps to Reproduce

1. Create recurrence series from all day event that repeats at least once
2. Try to edit on of the recurring events, single instance only, from all day to non all day

Expected Results

Edited event changes

Actual Results

No visible change. However new event is created in database.

Workaround

Currently there is no known workaround for this behavior. A workaround will be added here when available