TMSS-2950: projects filter

SAS/TMSS/backend/src/tmss/tmssapp/viewsets/specification.py

@@ -309,7 +309,7 @@ class ReservationPropertyFilter(property_filters.PropertyFilterSet):
     id = NumberInFilter(field_name='id', lookup_expr='in')
     id_min = filters.NumberFilter(field_name='id', lookup_expr='gte')
     id_max = filters.NumberFilter(field_name='id', lookup_expr='lte')
-    project = filters.CharFilter(field_name='project__name', lookup_expr='icontains')
+    projects = filters.ModelMultipleChoiceFilter(field_name='projects', queryset=models.Project.objects.all())
     start_time = filters.IsoDateTimeFromToRangeFilter(field_name='start_time')
     stop_time = filters.IsoDateTimeFromToRangeFilter(field_name='stop_time')
     stop_time_isnull = filters.BooleanFilter(field_name='stop_time', lookup_expr='isnull')