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/Services/Timeline/TimelineController/RoomTimelineControllerFactoryProtocol.swift

@@ -18,9 +18,11 @@ import Foundation
 
 @MainActor
 protocol RoomTimelineControllerFactoryProtocol {
+    // swiftlint:disable:next function_parameter_count
     func buildRoomTimelineController(roomProxy: RoomProxyProtocol,
                                      timelineItemFactory: RoomTimelineItemFactoryProtocol,
                                      mediaProvider: MediaProviderProtocol,
                                      mediaPlayerProvider: MediaPlayerProviderProtocol,
-                                     voiceMessageMediaManager: VoiceMessageMediaManagerProtocol) -> RoomTimelineControllerProtocol
+                                     voiceMessageMediaManager: VoiceMessageMediaManagerProtocol,
+                                     secureBackupController: SecureBackupControllerProtocol) -> RoomTimelineControllerProtocol
 }