Reproduction steps:
- Click "Create Event" in Calendar.
- Fill in name, description, policies, etc.
- Set an invalid time for one of the dates, like the meaningless string "Tea Time".
- Click "Create" to save the event.
{F390266}
Expected result:
- Form reloads with an error message about the specific mistake.
- All values are preserved verbatim.
Actual result:
- Form reloads with an error message about the specific mistake.
- Most form values are destroyed.
{F390268}