Always return substitutions for the selected date (and not the next relevant) in GraphQL

aleksis/apps/chronos/schema/__init__.py

@@ -14,7 +14,7 @@ from aleksis.core.util.core_helpers import get_site_preferences, has_person
 
 from ..models import LessonEvent
 from ..util.build import build_substitutions_list
-from ..util.chronos_helpers import get_groups, get_next_relevant_day, get_rooms, get_teachers
+from ..util.chronos_helpers import get_groups, get_rooms, get_teachers
 
 
 class TimetablePersonType(DjangoObjectType):
@@ -278,9 +278,7 @@ class Query(graphene.ObjectType):
         return all_timetables
 
     def resolve_substitutions_for_date(root, info, date):
-        substitutions, affected_teachers, affected_groups = build_substitutions_list(
-            get_next_relevant_day(date)
-        )
+        substitutions, affected_teachers, affected_groups = build_substitutions_list(date)
         return SubstitutionsForDateType(
             affected_teachers=affected_teachers,
             affected_groups=affected_groups,