the problem: When an opening on a sheet is being created, when the create mode is by duration the code still checks that the end-time is later than the start time.
the correct behavior: when opening create mode is by duration the check for end time > start time should be skipped
the problem: When an opening on a sheet is being created, when the create mode is by duration the code still checks that the end-time is later than the start time.
the correct behavior: when opening create mode is by duration the check for end time > start time should be skipped