[mirotalksfu] - add chat to query params, update widget

public/js/Brand.js

@@ -99,7 +99,7 @@ let BRAND = {
     },
     about: {
         imageUrl: '../images/mirotalk-logo.gif',
-        title: '<strong>WebRTC SFU v1.9.27</strong>',
+        title: '<strong>WebRTC SFU v1.9.28</strong>',
         html: `
             <button 
                 id="support-button"