[IMP] summernote: dom.isImg is unnecessary, because isVoid function contains that.

addons/website/static/lib/summernote/src/js/core/range.js

@@ -645,7 +645,7 @@ define([
         var eo = dom.nodeLength(ec);
 
         // browsers can't target a picture or void node
-        if (dom.isVoid(sc) || dom.isImg(sc)) {
+        if (dom.isVoid(sc)) {
           so = dom.listPrev(sc).length-1;
           sc = sc.parentNode;
         }

addons/website/static/src/js/website.editor.js

@@ -402,6 +402,9 @@ define(['summernote/summernote'], function () {
 
     //////////////////////////////////////////////////////////////////////////////////////////////////////////
 
+    dom.isVoid = function (node) {
+        return node && /^BR|^IMG|^HR/.test(node.nodeName.toUpperCase()) || dom.isImg(node);
+    };
     dom.isImg = function (node) {
         return dom.isImgFont(node) || (node && (node.nodeName === "IMG" || (node.className && node.className.match(/(^|\s)media_iframe_video(\s|$)/i)) ));
     };