Featuer: add selfhosted version of pmtiles

src/Models/RasterLayers.ts

@@ -70,12 +70,13 @@ export class AvailableRasterLayers {
             throw "Detected invalid global layer with invalid id"
         }
         return joined.map(
-            (properties) =>
-                <RasterLayerPolygon>{
+            (properties) => {
+                return <RasterLayerPolygon>{
                     type: "Feature",
                     properties,
                     geometry: BBox.global.asGeometry(),
                 }
+            }
         )
     }