Fix regressions caused by rendering default translation wrapper element (#38412)

app/javascript/mastodon/features/notifications_v2/components/notification_group_with_status.tsx

@@ -126,7 +126,7 @@ export const NotificationGroupWithStatus: React.FC<{
             </div>
 
             <div className='notification-group__main__header__label'>
-              {label}
+              <span>{label}</span>
               {timestamp && (
                 <>
                   <span className='notification-group__main__header__label-separator'>