Add map-container element

app/src/frontend/map/map.tsx

@@ -140,6 +140,15 @@ export const ColouringMap: FC<ColouringMapProps> = ({
         right: "0",
       }}
     >
+      <MapContainer
+        center={initialMapViewport.position}
+        zoom={initialMapViewport.zoom}
+        minZoom={9}
+        maxZoom={18}
+        doubleClickZoom={false}
+        zoomControl={false}
+        attributionControl={false}
+      ></MapContainer>
       {mode !== "basic" && (
         <>
           <Legend