Flutter How to remove certaint documents from a stream in Firestore - flutter

Question

I want to stream documents from my collection orders.
Here I stream all documents in my collection orders where the parameter progress is equal to pool.
This is how I do it:
Stream<List<Order>> streamOrderPool() {
final FirebaseAuth auth = FirebaseAuth.instance;
final User? user = auth.currentUser;
final uid = user!.uid;
var ref = _db.collection('orders').where('progress', isEqualTo: 'pool');
return ref.snapshots().map(
(list) => list.docs.map((doc) => Order.fromJson(doc.data())).toList());
}
What I want to do is to remove all documents where the parameter dismissedIds contains uid.
This is how I solved it in a futurebuilder:
Future<List<Order>> getOrdersPool() async {
final FirebaseAuth auth = FirebaseAuth.instance;
final User? user = auth.currentUser;
final uid = user!.uid;
var ref = _db.collection('orders').where('progress', isEqualTo: 'pool');
var snapshot = await ref.get();
var data = snapshot.docs.map((s) => s.data());
var orders = data.map((d) => Order.fromJson(d));
var orderslist = orders.toList();
orderslist.removeWhere((order) => order.dismissedIds.contains(uid));
orderslist.sort((b, a) => a.startDate.compareTo(b.startDate));
return orderslist;
}
How do I get the same result in a streambuilder, is it possible to use removeWhere somehow? How do I remove all documents from stream where dissmissedIds contains uid?