message: fix for open loop dataset
diff: @@ -45,7 +45,8 @@ class DatasetDecomposer:
  for lane in lane_list:
  polygon = self._map_interface.GetRoadgraph().GetLanePolygonForLaneId(lane.lane_id)
  if Collide(polygon, point_agent):
  - time_ego_first = state[0]*1e3 # use timestamp in ms
  + offset_fix = 500 # adding some time offset to always find lane corridor
  + time_ego_first = state[0]*1e3 + offset_fix # use timestamp in ms
  return time_ego_first
  return None
  