Add filter for high cost, when there is a much better itinerary

[t2gran]

https://staging.en-tur.no/travel-result?transportModes=bus%2Ctram%2Cmetro&date=1598256558937&walkSpeed=1.3&minimumTransferTime=120&stopLon=5.649215&stopLat=58.734795&stopId=NSR%3AStopPlace%3A58924&stopLabel=Bryne%20stasjon%2C%20Time&stopName=Bryne%20stasjon&startLon=10.775185159091063&startLat=59.9246128802234&startId=285781674&startLabel=Trondheimsveien%20105%2C%20Oslo&startName=Trondheimsveien%20105&isOpened=true

Expected behavior

Observed behavior

Version of OTP used (exact commit hash or JAR name)

Data sets in use (links to GTFS and OSM PBF files)

Command line used to start OTP

Router config and graph build config JSON

Steps to reproduce the problem

[t2gran]

This is done.