Merge branch beta

js/Desktop/DeskTop.js

@@ -6710,7 +6710,7 @@ U.MD.D.I.openApplication = function (str, obj, info) {
 
                 _formdiv = new U.UF.UI.form(
                     "素材库",
-                    $$("iframe", { "frameborder": "no", "border": "0", "scrolling ": "no", "style": { "cssText": "border:0;width:100%;height:100%" }, "src": US.Config.bpbl + "/pbl-teacher-table/dist/#/library?userid=" + _userid + "&org=" + _org }), {
+                    $$("iframe", {  "allow": "camera *; microphone *;display-capture;midi;encrypted-media;clipboard-write;clipboard-read", "webkitallowfullscreen": "", "mozallowfullscreen": "", "allowfullscreen": "", "frameborder": "no", "border": "0", "scrolling ": "no", "style": { "cssText": "border:0;width:100%;height:100%" }, "src": US.Config.bpbl + "/pbl-teacher-table/dist/#/library?userid=" + _userid + "&org=" + _org }), {
                     "id": "library",
                     "style": { "width": "90%", "height": "90%", "overflow": 'hidden' },
                     "onresize": function () { }