Avoid limitation of ':not()' pseudo-class related to different DOM levels of comparing elements

> "Up-looking" pseudo-classes which are [`:nth-ancestor()`](https://github.com/AdguardTeam/ExtendedCss#extended-css-nth-ancestor) and [`:upward()`](https://github.com/AdguardTeam/ExtendedCss#extended-css-upward) are not supported inside selectors argument for `:not()` pseudo-class.

https://github.com/AdguardTeam/ExtendedCss#extended-css-not-limitations