Fixes #61489
Co-authored-by: NMatt Bierner <matb@microsoft.com>

This command should be active if:

- we are on mac
- or we are not using custom title bars

The previous code was incorrectly disabling these commands entirely on mac

This avoids having the uri transformed unexpectedly

* fix: rename textFileEdiorModel to textFileEditorModel

* fix: accumualted and valdiate typos

Part of #101857

Part of #98494

use ^H to delete word left in cmd.exe

Part of #101857

Part of #101857

Not sure why, looks like Windows and encodings are not intuitive.

Part of #101073

env.appRoot is empty string when not having an application root, https://github.com/microsoft/vscode/issues/101857

re-use default NotImplementedError, make base type as implementing task service, https://github.com/microsoft/vscode/issues/101857

fyi @alexr00

add deprecation notes to path variants, some more jsdoc, https://github.com/microsoft/vscode/issues/101857

* textfiles - always use TextDecoder when reading UTF-8

* fix tests

* do not share a text decoder when using streams

* jsdoc

Editor option: overflowWidgetsDomNode

Fixes #102170

graceful fallback, expect the real error in log, fixes https://github.com/microsoft/vscode/issues/102340