Exceptions for csp rules don't work

### 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

5.0.97

### Browser version

Chrome 128

### OS version

Windows 11

### Ad Blocking

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### Privacy

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### Social

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### Annoyances

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### Security

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### Other

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### Language-specific

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### What Tracking protection options do you have enabled?

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### Issue Details

Steps to reproduce:
1. Open new tab (you may need to open it on the Full screen)
2. Add this set of user rules:
```
||playzone.cz^$csp=child-src *
@@||playzone.cz^$csp=child-src *
```
3. Go to https://www.playzone.cz/clanky/222824-uz-asi-nikdy-neuvidim-tolik-penez-lituje-pokimane-sve-streamerske-loajality and check if the website is broken

Screenshot


4. Delete previous user rules and add this set:

```
||playzone.cz^$csp=child-src *
||playzone.cz^$csp=child-src *,badfilter
```

5. Check the website from step 3
6. Delete previous user rules and add this set:

```
||playzone.cz^$csp=child-src *
@@||playzone.cz^$csp
```

7. Check the website from step 3

### Expected Behavior

_No response_

### Actual Behavior

Exceptions don't work and the rule breaks the website. The filtering log assumes that the rule was applied.

### Screenshots

Screenshot 1

### Additional Information

_No response_