fix: ensure that we pass the proper types to generate_program_entries

Mapping keys in filter_data are guaranteed to be defined but might be
None for boolean filters. We want to ensure that we actually pass
booleans to generate_program_entries.

program/filters.py

@@ -326,8 +326,8 @@ class VirtualTimeslotFilterSet(filters.FilterSet):
                 queryset,
                 start=filter_data["start"],
                 end=filter_data["end"],
-                include_virtual=filter_data["include_virtual"],
-                cut_at_range_boundaries=filter_data["cut_at_range_boundaries"],
+                include_virtual=bool(filter_data["include_virtual"]),
+                cut_at_range_boundaries=bool(filter_data["cut_at_range_boundaries"]),
             )
         )