- Fix (jPicker): Avoid setting Math.precision pseudo-global

- Refactoring (jPicker): Use ES6 templates; avoid unnecessary check
- Refactoring: Avoid useless assignment (courtesty lgtm)
- Build: Update files

dist/extensions/ext-server_opensave.js

@@ -958,9 +958,6 @@ var svgEditorExtension_server_opensave = (function () {
     // ajax
     svg.ajax = function (url, asynch) {
       var AJAX = window.XMLHttpRequest ? new XMLHttpRequest() : new window.ActiveXObject('Microsoft.XMLHTTP');
-      if (!AJAX) {
-        return null;
-      }
       if (asynch) {
         return new Promise(function (resolve, reject) {
           var req = AJAX.open('GET', url, true);