Add temporary workaround for browser hangup

See jcubic/jquery.terminal#470

demo/scripts/ui/Menu.js

@@ -159,7 +159,7 @@ Menu.prototype._initializeTerminal = function () {
             'report': '#1a9cb0',
           };
           const onLogMessage = function (e) {
-            const msg = e.message.replace(/]/g, '\\]');
+            const msg = e.message.replace('[', '(').replace(']', ')'); // temp workaround for https://github.com/jcubic/jquery.terminal/issues/470
             term.echo(`[[b;${colors[e.level] || '#666'};]${msg}]`);
           };
           self._viewer.logger.addEventListener('message', onLogMessage);