- 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

- Separate header widget from the editor
- Create Default preferences models always

- Ability to write into buffer

Turning hot exit on by default on Insiders to get testing.

fixes #15657

This reverts commit 406833f6.

fixes #16139

fixes #15974