Selectively register for UIA events by default on SV2

[codeofdusk]

Link to issue number:

Partial mitigation for #11002.
Follow-up of #11214 and #13297.

Summary of the issue:

NVDA 2020.3 introduced support for selective registration for UIA events based on the currently-focused provider, but this is disabled by default due to bugs in the Windows 10 task manager and emoji panel.
These bugs have been fixed in Windows 11 SV2.

Description of how this pull request fixes the issue:

By default, enable selective UIA event registration on Windows 11 Sun Valley 2 (22H2).

Testing strategy:

Enable by default in master snapshots to allow for wider testing.

Known issues with pull request:

None known.

Change log entries:

=== Bug Fixes ===

• Improved performance and stability in in Microsoft Visual Studio, Windows Terminal, and other UI Automation based applications on Windows 11 Sun Valley 2 (version 22H2). (Restrict most event processing to objects of interest to the user #11077, UIA: selective event registration #11209)
  • Selective registration for UI Automation events and property changes now enabled by default.

Code Review Checklist:

• Pull Request description:
  • description is up to date
  • change log entries
• Testing:
  • Unit tests
  • System (end to end) tests
  • Manual testing
• API is compatible with existing add-ons.
• Documentation:
  • User Documentation
  • Developer / Technical Documentation
  • Context sensitive help for GUI changes
• UX of all users considered:
  • Speech
  • Braille
  • Low Vision
  • Different web browsers
  • Localization in other languages / culture than English

[AppVeyorBot]

• PASS: Translation comments check.
• PASS: Unit tests.
• PASS: Lint check.
• FAIL: System tests. See test results for more information.
• Build (for testing PR): https://ci.appveyor.com/api/buildjobs/wh80gpvloecom7ss/artifacts/output/nvda_snapshot_pr14018-26186,89c42fd0.exe

See test results for failed build of commit 89c42fd0ad

[seanbudd]

@codeofdusk since @Qchristensen already approved the user docs changes in #13297, before they were split across PRs, I'm going to go ahead and merge this.