When adding a reminder I can choose "on time" or "on date" which for one are being confused easily and on the other side the 15 which is pre set for "minutes before" are only greyed out. I think they should just vanish.Steps to reproduce:
# Create event
# Add reminder
# Choose option "on time" or "on date"
Actual result: The 15 of "minutes before" is greyed out
Expected result: That field goes away (same as there appears a new field when selcting "on date")