Add Custom Impact Profiles accepts repeating hour/day combinations

• The Add Custom Impact Profile page currently accepts 8760 files that contain repeated hour/day combinations.

• If date/hour combinations were not unique, the system did not display a clear error.

See example profile:

https://cedars-2.cpuc.ca.gov/impact-profiles/1263/?climate_zone=9835&days=weekdays&cost=all&calculation_method=TRC