Finalize footways import:

- workaround spurious diff test failure
- fix unrelated problem in trip info tab introduced with the polygon
  cleanup the other week
- fix a bug with matching a building to a sidewalk

apps/game/src/info/trip.rs

@@ -670,12 +670,13 @@ fn make_timeline(
             ));
             d
         };
-        // TODO Problems when this is really low?
         let percent_duration = if total_duration_so_far == Duration::ZERO {
             0.0
         } else {
             phase_duration / total_duration_so_far
         };
+        // Don't crash when this is too low
+        let percent_duration = percent_duration.max(0.01);
         tooltip.push(format!(
             "  {}% of trip percentage",
             (100.0 * percent_duration) as usize

map_gui/src/render/map.rs

@@ -290,6 +290,8 @@ impl DrawMap {
                 || (i.is_traffic_signal() && opts.show_traffic_signal_icon)
             {
                 // Use the color of the road, so the intersection doesn't stand out
+                // TODO When cycleways meet footways, we fallback to unzoomed_road_surface. Maybe
+                // we need a ranking for types here too
                 if i.is_light_rail(map) {
                     cs.light_rail_track
                 } else if i.is_cycleway(map) {

map_model/src/objects/building.rs

@@ -127,7 +127,7 @@ impl Building {
                 return Some(pair);
             }
             for (_, next) in map.get_next_turns_and_lanes(l) {
-                if !visited.contains(&next.id) {
+                if next.is_walkable() && !visited.contains(&next.id) {
                     queue.push_back(next.id);
                 }
             }