Add pedestrian paths to entrance-layer, fix rendering in location-input element, fallback to OSM if map layer is not available

UI/BigComponents/BackgroundMapSwitch.ts

@@ -186,7 +186,8 @@ export default class BackgroundMapSwitch extends Combine {
                     currentBackground: currentBackground,
                     notAvailable: activatePrevious
                 })
-            activatePrevious = button.activate
+            // Fall back to the first option: OSM
+            activatePrevious = activatePrevious ?? button.activate
             if (category === preferredCategory) {
                 button.activate()
             }

UI/Input/LocationInput.ts

@@ -192,6 +192,7 @@ export default class LocationInput extends InputElement<Loc> implements MinimapO
             if (this._snapTo !== undefined) {
 
                 // Show the lines to snap to
+                console.log("Constructing the snap-to layer", this._snapTo)
                 new ShowDataMultiLayer({
                         features: new StaticFeatureSource(this._snapTo, true),
                         enablePopups: false,

UI/ShowDataLayer/ShowDataMultiLayer.ts

@@ -12,8 +12,9 @@ export default class ShowDataMultiLayer {
 
         new PerLayerFeatureSourceSplitter(options.layers, (perLayer => {
                 const newOptions = {
+                    ...options,
                     layerToShow: perLayer.layer.layerDef,
-                    ...options
+                    features: perLayer
                 }
                 new ShowDataLayer(newOptions)
             }),