Provide environment information

System:
OS: macOS 13.0.1
CPU: (8) arm64 Apple M1 Pro
Memory: 112.89 MB / 16.00 GB
Shell: 5.8.1 - /bin/zsh
Binaries:
Node: 16.18.1 - ~/.nvm/versions/node/v16.18.1/bin/node
Yarn: 1.22.19 - /opt/homebrew/bin/yarn
npm: 8.19.2 - ~/.nvm/versions/node/v16.18.1/bin/npm

Describe the bug

The navigation links have a subpath prefix for /en, causing users to be redirected to the English version even after selecting a different language.

Reproduction repo

https://github.com/t3-oss/create-t3-app

To reproduce

1 - Go to the docs introduction
2 - Select a language
3 - Navigate to FAQ link

Additional information