Over aggressive blocking on mail.ru for RUS: Adguard Russian Filter

[bbondy]

• Did you search for similar issues before submitting this one?
  Yes

• Describe the issue you encountered:
  Blocking is too aggressive on Russian Filter list.

• Platform (Win7, 8, 10? macOS? Linux distro?):
  All

• Brave Version (revision SHA):
  All\

• Steps to reproduce:

  1. Load mail.ru in chrome
     2 .Load mail.ru in Brave

• Actual result:
  We're blocking actual content in Brave.

• Expected result:
  We should not block actual content in Brave.

• Will the steps above reproduce in a fresh profile? If not what other info can be added?
  yes.

• Is this an issue in the currently released version?
  yes.

• Can this issue be consistently reproduced?
  yes.

• Any related issues:
  Support HTML filtering rules brave-experiments/ad-block#61
  uuid: '1088D292-2369-4D40-9BDF-C7DC03C05966' is too aggressive brave-experiments/ad-block#45