Brave crashes when assistant is open

### 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

Version 4.3.46

### Browser version

Brave

### OS version

macOS 13.6.6

### Ad Blocking

AdGuard Base filter

### Privacy

AdGuard Tracking Protection filter, AdGuard URL Tracking filter

### Social

AdGuard Social Media filter

### Annoyances

AdGuard Annoyances filter

### Security

_No response_

### Other

_No response_

### Language-specific

AdGuard Russian filter

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

_No response_

### Issue Details

Steps to reproduce:
1. Open soundcloud.com
2. Click 'Block ads and trackers' and then try to cancel
Screenshot:

### Expected Behavior

Browser should not crash

### Actual Behavior

Get crash.

Screenshot: