Force hide cosmetic filters from regional lists in Standard Shields mode

[antonok-edm]

Resolves brave/brave-browser#22032

Submitter Checklist:

• I confirm that no security/privacy review is needed, or that I have requested one
• There is a ticket for my issue
• Used Github auto-closing keywords in the PR description above
• Wrote a good PR/commit description
• Squashed any review feedback or "fixup" commits before merge, so that history is a record of what happened in the repo, not your PR
• Added appropriate labels (QA/Yes or QA/No; release-notes/include or release-notes/exclude; OS/...) to the associated issue
• Checked the PR locally: npm run test -- brave_browser_tests, npm run test -- brave_unit_tests, npm run lint, npm run gn_check, npm run tslint
• Ran git rebase master (if needed)

Reviewer Checklist:

• A security review is not needed, or a link to one is included in the PR description
• New files have MPL-2.0 license header
• Adequate test coverage exists to prevent regressions
• Major classes, functions and non-trivial code blocks are well-commented
• Changes in component dependencies are properly reflected in gn
• Code follows the style guide
• Test plan is specified in PR before merging

After-merge Checklist:

• The associated issue milestone is set to the smallest version that the
  changes has landed on
• All relevant documentation has been updated, for instance:
  • https://github.com/brave/brave-browser/wiki/Deviations-from-Chromium-(features-we-disable-or-remove)
  • https://github.com/brave/brave-browser/wiki/Proxy-redirected-URLs
  • https://github.com/brave/brave-browser/wiki/Fingerprinting-Protections
  • https://github.com/brave/brave-browser/wiki/Brave%E2%80%99s-Use-of-Referral-Codes
  • https://github.com/brave/brave-browser/wiki/Custom-Headers
  • https://github.com/brave/brave-browser/wiki/Web-Compatibility-Exceptions-in-Brave
  • https://github.com/brave/brave-browser/wiki/QA-Guide
  • https://github.com/brave/brave-browser/wiki/P3A

Test Plan:

Check the sites mentioned in the associated issue - there should be no cookie notices shown when visiting in Standard Shields blocking mode and with the Easylist-Cookie List - Filter Obtrusive Cookie Notices entry active in brave://adblock (both of which should be true by default).

[ryanbr]

Looks good, was surprised this wasn't default for regional lists

[SergeyZhukovsky]

++

[kjozwiak]

Verification PASSED on Win 11 x64 using the following build:

Brave | 1.39.40 Chromium: 100.0.4896.79 (Official Build) nightly (64-bit)
-- | --
Revision | 8fb749dcab8700c24213791969e59deb72fee36f-refs/branch-heads/4896@{#1015}
OS | Windows 11 Version 21H2 (Build 22000.593)

• enabled brave://flags/#brave-adblock-cookie-list-default and ensured that Easylist-Cookie List - Filter Obtrusive Cookie Notices was enabled via brave://adblock when the browser was restarted
• ensured that the Review our cookie policy overlay under https://jobsinkyoto.com wasn't being displayed
• ensured that the The Safe Haven website uses cookies. overlay under https://safehaven.io wasn't being displayed
• ensured that the Your Privacy modal at the bottom of the screen under https://www.airbnb.ca wasn't being displayed
• ensured that the Overhemden.com - Overhemden specialist van Nederland & België overlay under https://www.overhemden.com/kronstadt-heren-overhemd-dean-bordeaux-rood-mao-flanel-regular-fit-ks3434bordeauxmel#01a7abd36065c0ad4c1159ddb9afa1e1 wasn't being displayed
• ensured that the This site uses cookies and by continuing to browse it you are agreeing to our target use of cookies. Read our cookies policy. modal at the top of https://www.dk.com/us/ wasn't being displayed

---

Verification PASSED on Pixel 6 running Android 12 using the following build(s)

Brave | 1.39.41 Chromium: 100.0.4896.79

• enabled brave://flags/#brave-adblock-cookie-list-default and ensured that Easylist-Cookie List - Filter Obtrusive Cookie Notices was enabled via brave://adblock when the browser was restarted
• ensured that the Review our cookie policy overlay under https://jobsinkyoto.com wasn't being displayed
• ensured that the The Safe Haven website uses cookies. overlay under https://safehaven.io wasn't being displayed
• ensured that the Your Privacy modal at the bottom of the screen under https://www.airbnb.ca wasn't being displayed
• ensured that the Overhemden.com - Overhemden specialist van Nederland & België overlay under https://www.overhemden.com/kronstadt-heren-overhemd-dean-bordeaux-rood-mao-flanel-regular-fit-ks3434bordeauxmel#01a7abd36065c0ad4c1159ddb9afa1e1 wasn't being displayed
• ensured that the This site uses cookies and by continuing to browse it you are agreeing to our target use of cookies. Read our cookies policy. modal at the top of https://www.dk.com/us/ wasn't being displayed