Add build artefacts that I forgot, again

grapheditorxblock/public/js/grapheditorxblock.js

@@ -122961,7 +122961,15 @@ Sidebar.prototype.addPaletteFunctions = function(id, title, expanded, fns) {
     this.old_addPaletteFunctions(id, title, expand, fns);
 };
-// Override focus() to prevent execution in EditorUi for an iframe:
+/**
+ * Override focus() to prevent execution in EditorUi for an iframe.
+ *
+ * We render our diagrams in an iframe and the library code in the EditorUi
+ * class calls focus() on its container right after the HTML elements for it are
+ * created. This makes the browser scroll to the last rendered diagram on the
+ * page, skipping previous diagrams or content. Below is a grotesque hack to
+ * prevent that call, without modifying the library code.
+ */
 var oldHTMLFocus = HTMLElement.prototype.focus;
 HTMLElement.prototype.focus = function () {
     // Only prevent execution for this specific div: