Change figure_jsroot

Use modules, import and async functions

_includes/figure_jsroot

@@ -25,13 +25,12 @@
    <a name="f{{sect}}{{fig}}"></a>
 {% endif %}
 
-{% if {{included_JSRootCore}} != 1 %}
-  <script src="https://root.cern/js/dev/scripts/JSRoot.core.min.js" type="text/javascript"></script>
-  {% assign included_JSRootCore = 1 %}
-{% endif %}
-<script type='text/javascript'>
-   JSROOT.settings.HandleKeys = false;
-   JSROOT.openFile("{{f}}").then(file => file.readObject("{{o}}")).then(obj => JSROOT.draw("{{id}}", obj, ""));
+<script type='module'>
+   import { settings, openFile, draw } from 'https://root.cern/js/latest/modules/main.mjs';
+   settings.HandleKeys = false;
+   const file = await openFile("{{f}}");
+   const obj = await file.readObject("{{o}}");
+   draw("{{id}}", obj, "");
 </script>
 
 {% capture caption_size %}{{ caption | size }}{% endcapture %}