Various UI test fixes (#370)

* Increase integration tests time limits again as they're still ocasionally failing

* Fixed NavigationRootCoordinator name in logs

* Refactor UI tests hierarchy and introduce new userFlowScreen

* Introduce a RoomTimelineControllerFactory so that it can be mocked in the UserFlow UI tests

* Start using a mock timeline controller for the UserSession flows

* Remove the WeakDictionary dependency and replce it with a plain NSMapTable in the BackgroundTaskService

* Allow multiple UITests screenshots per screen

* Prevent the view hierarchy changing when taking screenshots

* Add UserSessionScreen UI tests

* Fix label triaging workflow project identifier as per vector-im/element-ios/pull/7150

* Fix settings screen tests

* Fix roomPlainNoAvatar and roomEncryptedWithAvatar UI tests

* Fix modal server selection screen UI tests

* Fix bug report and login screen UI tests

* Fix text typing missing characters on UI tests

* Fix sliding sync configuration on integration tests

* Stop crashing if not finding a particular room through the MockClientProxy

ElementX/Sources/Services/Timeline/TimelineController/RoomTimelineControllerProtocol.swift

@@ -0,0 +1,64 @@
+//
+// Copyright 2022 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 Combine
+import Foundation
+import UIKit
+
+enum RoomTimelineControllerCallback {
+    case updatedTimelineItems
+    case updatedTimelineItem(_ itemId: String)
+    case startedBackPaginating
+    case finishedBackPaginating
+}
+
+enum RoomTimelineControllerAction {
+    case displayVideo(videoURL: URL)
+    case displayFile(fileURL: URL, title: String?)
+    case none
+}
+
+enum RoomTimelineControllerError: Error {
+    case generic
+}
+
+@MainActor
+protocol RoomTimelineControllerProtocol {
+    var roomId: String { get }
+    
+    var timelineItems: [RoomTimelineItemProtocol] { get }
+    var callbacks: PassthroughSubject<RoomTimelineControllerCallback, Never> { get }
+    
+    func processItemAppearance(_ itemId: String) async
+    
+    func processItemDisappearance(_ itemId: String) async
+
+    func processItemTap(_ itemId: String) async -> RoomTimelineControllerAction
+    
+    func paginateBackwards(_ count: UInt) async -> Result<Void, RoomTimelineControllerError>
+    
+    func sendMessage(_ message: String) async
+    
+    func sendReply(_ message: String, to itemId: String) async
+
+    func editMessage(_ newMessage: String, of itemId: String) async
+    
+    func sendReaction(_ reaction: String, for itemId: String) async
+
+    func redact(_ eventID: String) async
+    
+    func debugDescriptionFor(_ itemId: String) -> String
+}