Key backup returns (#1951)

* Converge on UserSessionFlowCoordinator logout confirmation

* Add logout confirmation screen strings to untranslated.

* Fix chat backup learn more URl fragment.

* Implement logout flows that check recovery and key backup for the last session

* Move logout confirmation screen strings to localazy

* Change encrypted timeline item copy to "Waiting for decryption key"

* Use different encrypted history banner based on key backup states

* Introduce a SettingsFlowCoordinator and implement navigation directly to the secure backup screen from the logout flows.

* Fix **mocked** secure backup controller flows

* Simplify encrypted history banner logic

* Address PR comments

ElementX/Sources/Application/AppCoordinator.swift

@@ -438,7 +438,7 @@ class AppCoordinator: AppCoordinatorProtocol, AuthenticationCoordinatorDelegate,
                 guard let self else { return }
                 
                 switch action {
-                case .signOut:
+                case .logout:
                     stateMachine.processEvent(.signOut(isSoft: false))
                 case .clearCache:
                     stateMachine.processEvent(.clearCache)

ElementX/Sources/Application/AppSettings.swift

@@ -118,7 +118,7 @@ final class AppSettings {
     /// An email address that should be used for support requests.
     let supportEmailAddress = "support@element.io"
     // A URL where users can go read more about the chat backup.
-    let chatBackupDetailsURL: URL = "https://element.io/help#encryption"
+    let chatBackupDetailsURL: URL = "https://element.io/help#encryption5"
     
     // MARK: - Security
     

ElementX/Sources/Application/Navigation/AppRoutes.swift

@@ -24,6 +24,8 @@ enum AppRoute: Equatable {
     case roomMemberDetails(userID: String)
     case invites
     case genericCallLink(url: URL)
+    case settings
+    case chatBackupSettings
 }
 
 struct AppRouteURLParser {