title: type '_MapStream<QuerySnapshot, List<RoomModel>>' is not a subtype of type 'List<RoomModel>' in type cast
body: <p>This is what code look like:</p>
  <p><a href="https://i.stack.imgur.com/bhPnY.png" rel="nofollow noreferrer">https://i.stack.imgur.com/bhPnY.png</a></p>
  <p>and RoomModel looks like this.</p>
  <pre><code>RoomModel.fromFirestore(Map firestore)
    : roomId = firestore['roomId'],
      price = firestore['price'],
      location = firestore['location'],
      street = firestore['street'],
      description = firestore['description'],
      gender = firestore['gender'],
      userId = firestore['userId'];
  </code></pre>
  <p>Error:
  <a href="https://i.stack.imgur.com/mRuxo.png" rel="nofollow noreferrer">https://i.stack.imgur.com/mRuxo.png</a></p>
  <p>Any help or suggestion will be helpful.</p>