message: Mark the objects created for the selection with transient.
  This change ensures that the objects created to visualize
  the road and landuse selection are marked as trasient. This is
  required to discard these geoemtries when picking objects in
  the scene.
diff: @@ -137,25 +137,24 @@ export namespace PickingExample {
  styles: {
  tilezen: [
  {
  + transient: true,
  layer: "roads",
  when: ["==", ["geometry-type"], "LineString"],
  technique: "solid-line",
  renderOrder: Number.MAX_SAFE_INTEGER,
  - attr: {
  enabled: [
  "in",
  ["get", "name"],
  ["get", "selection", ["dynamic-properties"]]
  ],
  lineWidth: "2px"
  - }
  },
  {
  + transient: true,
  layer: "landuse",
  when: ["==", ["geometry-type"], "Polygon"],
  technique: "solid-line",
  renderOrder: Number.MAX_SAFE_INTEGER,
  - attr: {
  enabled: [
  "in",
  ["get", "name"],
  @@ -163,7 +162,6 @@ export namespace PickingExample {
  ],
  lineWidth: "2px"
  }
  - }
  ]
  }
  };
  