AdGuard test page not working in Linux mint 21.3

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

- [X] Filters were updated before reproducing an issue
- [X] I checked the [knowledge base](https://adguard.com/kb/) and found no answer
- [X] I checked to make sure that this issue has not already been filed

### AdGuard Extension version

4.3.53

### Browser version

Firefox 127.0.1

### OS version

Linux mint 21.3

### Ad Blocking

_No response_

### Privacy

_No response_

### Social

_No response_

### Annoyances

_No response_

### Security

_No response_

### Other

_No response_

### Language-specific

_No response_

### What Stealth Mode options do you have enabled?

_No response_

### Issue Details

Steps to reproduce:
1. Install adguard ad blocker and install adguard extra for firefox
2. go to https://adguard.com/en/test.html
3. The adguard ad blocker and adguard extra show as not installed

### Expected Behavior

The adguard test page should show that the adguard is installed.

### Actual Behavior

Adguard not installed.

### Screenshots


### Additional Information

_No response_