Contextual menu for rooms (#842)

* Add room contextual menu

* Add room context menu view actions

* Add navigation to room’s detail

* Show leave alert in HomeScreen

* Implement leave logic

* Refine leave navigation for iPad

* Optimize leave from homescreen

* Refactor roomSettings -> roomDetails

* Refactor room for id mock

* Add UTs

* Cleanup

* Fix alert presentation in RoomDetailsScreenViewModel

* Fix animation flag

ElementX/Sources/Other/Extensions/AsyncSequence.swift

@@ -0,0 +1,21 @@
+//
+// 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.
+//
+
+extension AsyncSequence {
+    func first() async rethrows -> Self.Element? {
+        try await first { _ in true }
+    }
+}