Fix 'prevent-xhr' and 'trusted-replace-xhr-response' — mock getResponseHeader() and getAllResponseHeaders() methods

[piquark6046]

Expected and Actual Behaviors

Screencast:

Screencast.from.2023-03-01.11-28-18.webm

#%#//scriptlet('prevent-xhr', 'https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js')
||pagead2.googlesyndication.com/pagead/js/adsbygoogle.js$redirect=googlesyndication-adsbygoogle
@@||pagead2.googlesyndication.com/pagead/js/adsbygoogle.js

Environment

• Operating System: Ubuntu 22.10
• Web Browser: Mozilla Firefox Developer Edition 111.0b7
• AdGuard product: AdGuard Browser extension 4.1.53 (standalone)

Additional Information

• tsuvod.com AdguardFilters#144062

  A Real-World Example

  

• https://piquark6046.github.io/testpage/XMLResponseHeader/