track by index for autocomplete results on search page-- it sometimes returns duplicate results, and ng13 doesn't like that.
track by index for autocomplete results on search page-- it sometimes returns duplicate results, and ng13 doesn't like that.

camsys/onebusaway-nyc-atstop,camsys/onebusaway-nyc-atstop,camsys/onebusaway-nyc-atstop