Restores attribution.

js/ide.ts

@@ -5,6 +5,7 @@ import jQuery from "jquery";
 import html2canvas from "html2canvas";
 import {Canvg} from "canvg";
 import L from "leaflet";
+import "maplibre-gl";
 import "@maplibre/maplibre-gl-leaflet";
 import "codemirror/lib/codemirror";
 import tokml from "tokml";
@@ -480,7 +481,7 @@ class IDE {
     // init leaflet
     // the default basemap/tilelayer is nothing at all, and we always add OHM vector style above the basemap
     ide.map = new L.Map("map", {
-      attributionControl: false,
+      attributionControl: true,
       minZoom: 0,
       maxZoom: configs.maxMapZoom,
       worldCopyJump: false
@@ -502,7 +503,7 @@ class IDE {
     ide.map.createPane("vectiles");
     ide.map.getPane("vectiles").style.zIndex = 210; // slightly > tilePane 200
     ide.map.getPane("vectiles").style.pointerEvents = "none";
-    ide.map.vectortiles = new L.MaplibreGL({
+    ide.map.vectortiles = L.maplibreGL({
       style: configs.vectorTileStyleUrl,
       pane: "vectiles"
     }).addTo(ide.map);