fix wrong NavigationBar color in travel loadBackupUI

enzevalos_iphone/ReadViewController.swift

@@ -308,6 +308,7 @@ class ReadViewController: UITableViewController {
 
     @IBAction func reactButton(_ sender: Any) {
         if deletedWhileTravel || (mail?.unableToDecrypt ?? false) && (mail?.isEncrypted ?? false) && TravelHandler.instance().mode != .atHome {
+            UIView.animate(withDuration: 0.3, animations: { self.navigationController?.navigationBar.barTintColor = ThemeManager.defaultColor })
             navigationController?.pushViewController(TravelHandler.instance().loadBackupUI(), animated: true)
         } else {
             performSegue(withIdentifier: "answerTo", sender: "reactButton")