fix

iOSClient/Viewer/NCViewerNextcloudText/NCViewerNextcloudText.swift

@@ -82,10 +82,8 @@ class NCViewerNextcloudText: UIViewController, WKNavigationDelegate, WKScriptMes
     override func viewWillAppear(_ animated: Bool) {
         super.viewWillAppear(animated)
 
-        let buttonMore = UIBarButtonItem.init(image: CCGraphics.changeThemingColorImage(UIImage(named: "more"), width: 50, height: 50, color: NCBrandColor.sharedInstance.textView), style: .plain, target: self, action: #selector(self.openMenuMore))
-        navigationItem.rightBarButtonItem = buttonMore
-        
-        navigationController?.navigationBar.prefersLargeTitles = true
+        navigationItem.hidesBackButton = true
+        navigationController?.navigationBar.prefersLargeTitles = false
         navigationItem.title = metadata.fileNameView
 
         appDelegate.activeViewController = self