Skip unsupported notifications (#35)

Packages/Notifications/Sources/Notifications/NotificationsListView.swift

@@ -80,11 +80,13 @@ public struct NotificationsListView: View {
                   message: "Notifications? What notifications? Your notification inbox is looking so empty. Keep on being awesome! 📱😎")
       } else {
         ForEach(notifications) { notification in
+            if notification.supportedType != nil {
                 NotificationRowView(notification: notification)
                 Divider()
                     .padding(.vertical, .dividerPadding)
             }
         }
+      }
       
       switch nextPageState {
       case .none: