Fixes #42161

Fixes #36072

Part of #8339

Part of #11314

Fixes #41281

This pulls in all the pushed changes after the v3 release and more screen
reader improvements, including:

- Render row debouncer to limit re-rendering of a11y rows
- assertive live region
- Convert \t to nbsp in live region
- Bug fix in parser not exiting to normal parse mode on certain sequences
- Emit selection event on terminal (not SelectionManager)
- Use of resolution event in ScreenDprMonitor

Part of 8339

Fixes #40444

Improves solution to terminal viewport changing monitor issue

Fixes terminal viewport rendering messing up when moving between monitors
of different DPIs.

Fixes #34320

Fixes #38342
Fixes #40927

Add "(Administrator)" suffix to window title when running as administrator in Windows (fixes #19707)

Fixes #37846

related to #39659

fixes #39659

related to #39659