Merge pull request #4341 from hove-io/fix_isochrone_with_access_points

[jormun]:Intiaize _access_points = false for isochrone

source/jormungandr/jormungandr/scenarios/distributed.py

@@ -601,6 +601,9 @@ def graphical_isochrones(self, request, instance):
         if request.get('on_street_bike_parking_duration') is None:
             request['on_street_bike_parking_duration'] = instance.on_street_bike_parking_duration
 
+        if request.get('_access_points') is None:
+            request['_access_points'] = False
+
         krakens_call = set({(request["origin_mode"][0], request["destination_mode"][0], "indifferent")})
         pt_object_origin = None
         pt_object_destination = None