🚸 Set OpenLayers transition to zero

Why:
- On the printouts page, when changing print options and the cards are
  re-rendered, having a transition makes the UI seem slower than it is.
  When the map tiles are already cached, rendering should be
  near-instantaneous.

web/src/maps/mapOptions.ts

@@ -30,7 +30,7 @@ export type MapRaster = {
   name: string;
   makeSource: () => TileSource;
 };
-const transition = 100;
+const transition = 0;
 export const mapRasters: MapRaster[] = [{
   id: 'osmhd',
   name: "World - OpenStreetMap",