feat: Fixes #1940 WCAG support for website widget (#2071)

Co-authored-by: Kaj Oudshoorn <kaj@milvum.com>
Co-authored-by: Pranav Raj S <pranav@chatwoot.com>
Co-authored-by: Nithin David Thomas <1277421+nithindavid@users.noreply.github.com>

app/javascript/sdk/IFrameHelper.js

@@ -142,6 +142,7 @@ export const IFrameHelper = {
     },
 
     onBubbleToggle: isOpen => {
+      IFrameHelper.sendMessage('toggle-open', { isOpen });
       if (!isOpen) {
         IFrameHelper.events.resetUnreadMode();
       } else {
@@ -194,6 +195,10 @@ export const IFrameHelper = {
       const holderEl = document.querySelector('.woot-widget-holder');
       removeClass(holderEl, 'has-unread-view');
     },
+
+    closeChat: () => {
+      onBubbleClick({ toggleValue: false });
+    },
   },
   pushEvent: eventName => {
     IFrameHelper.sendMessage('push-event', { eventName });