* Implement generic invokeWithinContext for all editor panes
Continues PR #104694

* - Remove "invokeWithinContext" from groups and panes,
only expose context key service
- Implement this correctly for composite editors
- Fix tests

* Rename and simplify things

* Fix build error

* Fix EditorService unit test

* Update src/vs/workbench/browser/parts/editor/textDiffEditor.ts
Co-authored-by: NBenjamin Pasero <benjpas@microsoft.com>

* 💄
PR #104947

* 💄Co-authored-by: NBenjamin Pasero <benjpas@microsoft.com>

Simplify settings sync quick pick UI

- focus the first element by default
- tweak wordings

Add selecting settings sync service in turn on flow

- Do not validate if workspace was not initialized

handle errors in backup tracker while writing backup