Add some polyfills needed by D3

modules/id.js

@@ -1,4 +1,6 @@
 import 'browser-polyfills';
+import 'es6-symbol/implement';
+import 'regenerator-runtime/runtime';
 import 'string.fromcodepoint/auto';
 import 'abortcontroller-polyfill/dist/polyfill-patch-fetch';
 

package.json

@@ -52,6 +52,7 @@
     "alif-toolkit": "^1.2.9",
     "browser-polyfills": "~1.5.0",
     "diacritics": "1.3.0",
+    "es6-symbol": "^3.1.3",
     "fast-deep-equal": "~3.1.1",
     "fast-json-stable-stringify": "2.1.0",
     "lodash-es": "~4.17.15",
@@ -61,6 +62,7 @@
     "osm-auth": "1.1.0",
     "pannellum": "2.5.6",
     "rbush": "3.0.1",
+    "regenerator-runtime": "^0.13.7",
     "string.fromcodepoint": "1.0.0",
     "which-polygon": "2.2.0"
   },