Parallelize text search

* Log errors from feature providers as external

* rename errors should bubble up, why?, fixes test failures

* log errors from format

Adopts the 2.1.3 insiders build of TS in the TS extension

Telemetry reporting

Ensure backup paths ignore case on windows and mac

Single instance of default settings model.

Fix focus and configuration handling of the integrated terminal

- Update copy action when model changed
- Fix collapse icon for first group
- Fix overlapping of results and group title hover

- Show count of settings while filtering
- Initial state - show only first group expanded