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

UITests/Sources/UserSessionScreenTests.swift

@@ -0,0 +1,38 @@
+//
+// 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 ElementX
+import XCTest
+
+@MainActor
+class UserSessionScreenTests: XCTestCase {
+    func testUserSessionFlows() async throws {
+        let roomName = "First room"
+        
+        let app = Application.launch()
+        app.goToScreenWithIdentifier(.userSessionScreen)
+
+        app.assertScreenshot(.userSessionScreen, step: 1)
+        
+        app.buttons["roomName:\(roomName)"].tap()
+        
+        XCTAssert(app.staticTexts[roomName].exists)
+        
+        try await Task.sleep(for: .seconds(1))
+    
+        app.assertScreenshot(.userSessionScreen, step: 2)
+    }
+}