fixes #33903
fixes #19890

fixes #16322
fixes #23646

* Editor model creation options do not honour folder scope yet (fixes #29119)

* fix tests

Revert back on terminal related explorer context actions registration point. Move them back to parts/execution. Dan may want to refactor it and merge with Terminal.

* Make listing directories first an option #29329

* Added refresh on `dirsFirst` config value changed

* Switch sorting configuration to enum

* Added `filesFirst` sorting

* Added sorting by type

* Got rid of the `path` dependency

* Added sorting by last modified date

* Merge conflict fix

* `modified` sorting order changed to descending

* New compareFileExtensions comparer added for TypeSorter

* Switched to a single self-contained explorer sorter

* Improved description of 'explorer.sortOrder' config option

This change adds a new configuration setting that sets the default
language mode of new untitled files created with Ctrl+N
(workbench.action.files.newUntitledFile).  This activates the user's
desired language mode when a new untitled file is created.

Fixes #8729.