update deps.

lib/view/page/sftp/remote.dart

@@ -4,6 +4,7 @@ import 'dart:typed_data';
 import 'package:dartssh2/dartssh2.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_gen/gen_l10n/l10n.dart';
+import 'package:nil/nil.dart';
 import 'package:toolbox/core/extension/navigator.dart';
 import 'package:toolbox/core/extension/sftpfile.dart';
 import 'package:toolbox/data/res/misc.dart';
@@ -309,7 +310,7 @@ class _SFTPPageState extends State<SFTPPage> {
                   title: Text(_s.edit),
                   onTap: () => _edit(context, file),
                 )
-              : placeholder,
+              : nil,
           ListTile(
             leading: const Icon(Icons.delete),
             title: Text(_s.delete),
@@ -326,7 +327,7 @@ class _SFTPPageState extends State<SFTPPage> {
                   title: Text(_s.download),
                   onTap: () => _download(context, file),
                 )
-              : placeholder,
+              : nil,
         ],
       ),
     );