Rules with `:where()` pseudo class do not work

[AdamWr]

Issue Details

• AdGuard version:
  • AdGuard v3.6.17/4.0.133
• Browser and version:
  • Chrome 99.0.4844.51

Steps to reproduce

1. Add this rule:

example.org##div > :where(h1, p)

https://developer.mozilla.org/en-US/docs/Web/CSS/:where

2. Go to - https://example.org/

Expected Behavior

div > h1 and div > p should be hidden.

Actual Behavior

Rule doesn't work.

Screenshots

Screenshot: