Refactor conditional

app/soapbox/actions/notifications.ts

@@ -108,7 +108,7 @@ const updateNotificationsQueue = (notification: APIEntity, intlMessages: Record<
     // Desktop notifications
     try {
       // eslint-disable-next-line compat/compat
-      const isNotificationsEnabled = typeof window.Notification !== 'undefined' && Notification.permission === 'granted';
+      const isNotificationsEnabled = window.Notification?.permission === 'granted';
 
       if (showAlert && !filtered && isNotificationsEnabled) {
         const title = new IntlMessageFormat(intlMessages[`notification.${notification.type}`], intlLocale).format({ name: notification.account.display_name.length > 0 ? notification.account.display_name : notification.account.username });

app/soapbox/features/ui/index.tsx

@@ -472,7 +472,7 @@ const UI: React.FC = ({ children }) => {
       navigator.serviceWorker.addEventListener('message', handleServiceWorkerPostMessage);
     }
 
-    if (typeof window.Notification !== 'undefined' && Notification.permission === 'default') {
+    if (window.Notification?.permission === 'default') {
       window.setTimeout(() => Notification.requestPermission(), 120 * 1000);
     }