Bug: error redirecting to the authorization page when you click on "Link Github" in Settings

[Yuga-testing]

Summary

Instead of redirecting to the authorization GitHub page, an error "User with 19831 already registered" appears when you click on "Link Github" in Settings

Reproduction steps

1. Go to main page https://codebattle.hexlet.io/
2. Register with email 
3. In the profile settings, click "Link GitHub"

Expected result

redirecting to the authorization GitHub page

Actual result

error "User with 19831 already registered"

Browsers

Chrome

OS

Mac

Current version: 4df7e60 deployedAt UTC: 2025-10-29 12:48:32

[Valerykolm]

OS: Ubuntu 22.04.5 LTS Browser: Chrome

Summary:

Redirect to GitHub in Settings doesn't work

Steps:

1. Click "Sign In"
2. Click "Sign in with Github"
3. Click "My Profile"
4. Click "Settings"
5. Click "Github" in footer

The expected result is redirect to Github

The actual result is the link doesn't work