Fixes #11473 graphql invalid tag filter returns all devices/interfaces

Author: aronminn

netbox/netbox/graphql/fields.py

@@ -60,6 +60,8 @@ def list_resolver(django_object_type, resolver, default_manager, root, info, **a
         filterset_class = django_object_type._meta.filterset_class
         if filterset_class:
             filterset = filterset_class(data=args, queryset=queryset, request=info.context)
+            if not filterset.is_valid():
+                return []
             return filterset.qs
 
         return queryset