Support `$document`

[seia-soto]

Subsequent issue of #3886.

document modifier disables network filters involving html filtering.

[seia-soto]

• uBlock Origin doesn't support $document: https://github.com/gorhill/uBlock/wiki/Static-filter-syntax#document-for-entire-page-exception
• Our $document implementation is not identical to other adblockers? https://github.com/ghostery/adblocker/blob/master/packages/adblocker/src/filters/network.ts#L213-L218