Fix TOTP unlock loading presentation

apple/Sources/App/IronStorageApp.swift

@@ -622,13 +622,6 @@ private final class ShellViewController: UITableViewController, MobileTabRoot {
             )
             navigationItem.rightBarButtonItem?.accessibilityLabel = "Refresh remote status"
             navigationItem.rightBarButtonItem?.isEnabled = !isHomeWorking
-        } else if page.state == .ready, shellTab == .preferences {
-            navigationItem.rightBarButtonItem = UIBarButtonItem(
-                title: "Update Token",
-                style: .plain,
-                target: self,
-                action: #selector(tokenUpdateRequested)
-            )
         } else {
             navigationItem.rightBarButtonItem = nil
         }
@@ -655,10 +648,6 @@ private final class ShellViewController: UITableViewController, MobileTabRoot {
         navigationController?.pushViewController(SetupChoiceViewController(), animated: true)
     }
 
-    @objc private func tokenUpdateRequested() {
-        navigationController?.pushViewController(TokenUpdateViewController(), animated: true)
-    }
-
     @objc private func statusRefreshRequested() {
         runHome(.fetch)
     }
@@ -1055,12 +1044,6 @@ private final class PreferencesViewController: UITableViewController, MobileTabR
         super.init(style: .insetGrouped)
         title = page.title
         navigationItem.largeTitleDisplayMode = .always
-        navigationItem.rightBarButtonItem = UIBarButtonItem(
-            title: "Update Token",
-            style: .plain,
-            target: self,
-            action: #selector(tokenUpdateRequested)
-        )
         NotificationCenter.default.addObserver(
             self,
             selector: #selector(authenticationDidChange),
@@ -1697,14 +1680,6 @@ private final class PreferencesViewController: UITableViewController, MobileTabR
             watchPaired: watchSnapshot.isPaired,
             watchAppInstalled: watchSnapshot.isWatchAppInstalled
         )
-        navigationItem.rightBarButtonItem = preferences?.syncConfigured == true
-            ? UIBarButtonItem(
-                title: "Update Token",
-                style: .plain,
-                target: self,
-                action: #selector(tokenUpdateRequested)
-            )
-            : nil
         if let appearance = preferences?.appearance {
             tabBarController?.overrideUserInterfaceStyle = switch appearance {
             case .system: .unspecified
@@ -2985,6 +2960,9 @@ private final class TotpListViewController: UITableViewController, MobileTabRoot
         var configuration = UIContentUnavailableConfiguration.loading()
         configuration.text = title
         configuration.secondaryText = "Reading OTP metadata in secure storage."
+        var background = UIBackgroundConfiguration.clear()
+        background.backgroundColor = .systemGroupedBackground
+        configuration.background = background
         contentUnavailableConfiguration = configuration
     }