Scriptlets don't work on websites using Content-Security-Policy (CSP)

### 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 version

4.5.5

### Environment

- OS: 17.5.1
- Device: iPhone XS

### Ad Blocking

_No response_

### Privacy

_No response_

### Social

_No response_

### Annoyances

_No response_

### Security

_No response_

### Other

_No response_

### Language-specific

_No response_

### Advanced protection for Safari

- [x] yes, I do

### Which DNS server do you use?

DNS protection disabled

### DNS protocol

DNS protection disabled

### Custom DNS

_No response_

### DNS filtering

- [ ] yes, I do

### Custom DNS filter

_No response_

### DNS implementation

DNS protection disabled

### Tunnel mode

DNS protection disabled

### Low-level settings

Bootstrap server:
Fallback server:
Blocking mode, etc:

### Issue Details

This was (partially) fixed in the Safari repo:
* https://github.com/AdguardTeam/AdGuardForSafari/issues/917
* https://github.com/AdguardTeam/AdGuardForSafari/commit/f102b098513a5049a5faac851c52c25102cfee3a

### Expected Behavior

_No response_

### Actual Behavior

The following code doesn't work on a website using CSP to restrict inline scripts:

https://github.com/AdguardTeam/AdguardForiOS/blob/25f8f104b1f775f3a2abc2f160db3eb40adffa07/AdguardExtension/SafariWebExtension/extension/src/pages/content/content.ts#L40-L56

### Screenshots

_No response_

### Additional Information

_No response_