If qBittorrent/qb-nox is bound to your VPN interface, then 1) your VPN needs to support port forwarding, and 2) forwarding a port on your router is pointless and unnecessary. Your only way around it is to switch VPN or don’t use VPN and then port forward.
If qBittorrent/qb-nox is bound to your VPN interface, then 1) your VPN needs to support port forwarding, and 2) forwarding a port on your router is pointless and unnecessary. Your only way around it is to switch VPN or don’t use VPN and then port forward.