VPN authentication failure on fresh OS installs and new PCs

[s1mar]

Describe the bug

1. VPN fails to connect, gives error due to state_token_inequality
2. Happens mostly on fresh os installs or new PCs.
3. Witnessing for about 2 years now.

[09.12.2024 23:58:26.589] (AuthenticationInAppSession) Debug: Sign in completed: XXXXXXXX
[09.12.2024 23:58:26.589] (AuthenticationInAppSession) Debug: Session generated
[09.12.2024 23:58:26.589] (AuthenticationInAppSession) Debug: FxA Session Token: XXXXXXXX
[09.12.2024 23:58:26.589] (NetworkRequest) Debug: Network request created by TaskAuthenticate
[09.12.2024 23:58:26.955] (NetworkRequest) Debug: Network header received
[09.12.2024 23:58:26.955] (NetworkRequest) Debug: Network reply received - status: 200 - expected: 200
[09.12.2024 23:58:26.955] (AuthenticationInAppSession) Debug: Oauth code creation completed: XXXXXXXX
[09.12.2024 23:58:26.955] (NetworkRequest) Debug: Network request created by TaskAuthenticate
[09.12.2024 23:58:27.022] (NetworkRequest) Debug: Network header received
[09.12.2024 23:58:27.022] (NetworkRequest) Debug: Network reply received - status: 400 - expected: 200
[09.12.2024 23:58:27.022] (NetworkRequest) Error: Network error: Error transferring https://vpn.mozilla.org/oauth/success?code=ec56e8c39245e39bd9b3bce11add871ecce24a20105d33249c242814f8867e06&state=pkce-cc983b164857e5b4765ff1cbb990252e16eee4e822d2b4391fd0375ba67ada6c7ce5df697502cc45 - server replied: Bad Request status code: 400 - body: XXXXXXXX
[09.12.2024 23:58:27.022] (NetworkRequest) Error: Failed to access: https://vpn.mozilla.org/oauth/success
[09.12.2024 23:58:27.022] (AuthenticationInAppSession) Error: Authentication failed: state_token_inequality