smb: connecting to invalid ip might block

Previous title: Adding a favorite folder using a VPN prevents the browser from loading

Description

Adding a favorite folder using a VPN prevents the browser from loading if VPN is not active

OP: https://forum.videolan.org/viewtopic.php?f=35&t=159961

Expected behavior

No hang

Actual behavior

Steps to reproduce

1. Use a VPN
2. Add a favorite
3. Kill the app
4. Disable VPN
5. Open the file browser

Screenshot / video

Context

App version

Android version

Device model

App mode

Smartphone

TV

Auto