Fix WhatsApp unread counter

Close #1446

app/store/ServicesList.js

@@ -28,7 +28,7 @@ Ext.define('Rambox.store.ServicesList', {
 			,description: locale['services[0]']
 			,url: 'https://web.whatsapp.com/'
 			,type: 'messaging'
-			,js_unread: 'function checkUnread(){var i=0;document.querySelectorAll(".unread").forEach(function(e){0===e.querySelectorAll("[data-icon=muted]").length&&i++});updateBadge(i)}function updateBadge(count) { if (count && count >= 1) { rambox.setUnreadCount(count); } else { rambox.clearUnreadCount(); } }setInterval(checkUnread,1e3);'
+			,js_unread: 'function checkUnread(){const elements = document.querySelectorAll(\'.CxUIE, .unread\');let count = 0;for (let i = 0; i < elements.length; i++) {if (elements[i].querySelectorAll(\'*[data-icon="muted"]\').length === 0) {count++;}}updateBadge(count);}function updateBadge(count){if(count && count>=1){rambox.setUnreadCount(count);}else{rambox.clearUnreadCount();}}setInterval(checkUnread, 1e3);'
 			,dont_update_unread_from_title: true
 		},
 		{