Fixes #72146

Fixes #71251 

This was caused by the change to make the shell default to null, debug now needs
to evaluate the default shell itself if the setting is null.

Fixes #73867
Caused by microsoft/vscode-remote-release#38

Fixes #52485

Based on code in https://github.com/microsoft/TypeScript/blob/d53efdf38058e37d52e794b6650689294e69b185/src/compiler/moduleSpecifiers.ts#L139

Possible fix for #72483

Fixes #73911

* Cleans up vs-typescript temp directoy upon VS code close

* Fixed typing errors preventing build from succeeding

* Moved deletion to the deactivate method. Added folders per extension host

* Removed yarn watch script used in testing

Fix-73465 Toggle search view position should also appear in empty search view

Fix #55470

Fixes #73417

Update xterm