TMSS-2809: minor bug fix

SAS/TMSS/backend/services/scheduling/lib/dynamic_scheduling.py

@@ -331,7 +331,7 @@ class Scheduler:
                         status__value__in=(models.SchedulingUnitStatus.Choices.SCHEDULED.value,
                                            models.SchedulingUnitStatus.Choices.OBSERVING.value)).filter(
                         on_sky_stop_time__gte=lower_bound).filter(
-                        on_sky_stop_time__lte=upper_bound)
+                        on_sky_stop_time__lte=lower_bound + timedelta(hours=24))
 
                     if blocking_units.exists():
                         # advance beyond the blocking unit(s)