add UI test, separate model class in Services, UI fix for button with single selection style

ElementX/Sources/Services/CreateRoom/CreateRoomParameters.swift

@@ -0,0 +1,25 @@
+//
+// Copyright 2023 New Vector Ltd
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+import Foundation
+
+/// This parameters are only used in the create room flow for having a a volatile persisted object that will be disposed once the flow is ended
+class CreateRoomVolatileParameters {
+    var name = ""
+    var topic = ""
+    var selectedUsers: [UserProfile] = []
+    var isRoomPrivate = true
+}