The Browser Assistant does not work in the Thorium browser

### Please answer the following questions for yourself before submitting an issue.

- [x] I am running the latest version of the extension
- [x] I checked to make sure that this issue has not already been filed

### AdGuard version

```markdown
- AdGuard Assistant version: 1.4.1
- AdGuard Desktop application: 2.16.3.1867
```

### Environment

```markdown
- OS: 15.3.1 (24D70)
- Browser: Thorium (https://thorium.rocks/
)
```

### Issue Details

Steps to reproduce:
1. Install the Chromium version of the Assistant to thorium
2. Try launching the Assistant

### Expected Behavior

It works

### Actual Behavior

It doesn't work

### Screenshots

Screenshot 1:



### Additional Information

_No response_