feat: Adds sound alert notification for new messages on the widget (#3181)

* feat: Adds sound alert notification for new messages on the widget

* Review fixes

* uses absolute path

* Minor fixes

Co-authored-by: Muhsin Keloth <muhsinkeramam@gmail.com>

app/javascript/widget/helpers/actionCable.js

@@ -1,4 +1,5 @@
 import BaseActionCableConnector from '../../shared/helpers/BaseActionCableConnector';
+import { playNewMessageNotificationInWidget } from 'shared/helpers/AudioNotificationHelper';
 
 class ActionCableConnector extends BaseActionCableConnector {
   constructor(app, pubsubToken) {
@@ -36,6 +37,9 @@ class ActionCableConnector extends BaseActionCableConnector {
       .then(() => {
         window.bus.$emit('on-agent-message-received');
       });
+    if (data.sender_type === 'User') {
+      playNewMessageNotificationInWidget();
+    }
   };
 
   onMessageUpdated = data => {