refactor(util/state.js): Tweak selector to prevent extra itinerary.js re-renders.
refactor(util/state.js): Tweak selector to prevent extra itinerary.js re-renders.

opentripplanner/otp-react-redux,opentripplanner/otp-react-redux,opentripplanner/otp-react-redux,opentripplanner/otp-react-redux