[Broken Website] initiates a previous event automatically immdiately after login

### Prerequisites

- [X] I [searched for any existing report](https://github.com/darkreader/darkreader/issues?q=is%3Aissue) about this website issue to avoid opening a duplicate.
- [X] I can reproduce this website issue in a new, unmodified web browser profile with Dark Reader installed as the only extension.

### Website Issue Description

immediately the login request is initiated
it successfully logs in
after 2-3 seconds, it reverts back to the login page, like i engaged the previous button on firefox

### Website Address

https://cpanel.vslwebhosting.com

### Steps To Reproduce

login to cpanel
wait for the login process to complete
observe

### Screenshots

[Screencast from 2024-12-31 16-28-28.webm](https://github.com/user-attachments/assets/64bbd184-4ea2-4d48-be5b-60b9d70b691a)

### Operating System

Fedora 40

### Web Browser name and version

firefox - 133.0.3 (64-bit)

### Dark Reader version

4.9.99

### Additional Context

_No response_