Part of #81388

* Fix #83644

* correction for the PR, 24 is a constant and a comment in css

* putting the constant only in searchWidget not in constants

* forgot export keyword

* change comment in the css, as the constant is not in constant anymore

* missclick on erase export keyword, put it back

* spelling mistake correction

* customEditor toggle and save/preview keybinds

* travis ci

* removed save command; toggle replaces current tab

* removed travis ci; use vscode ci checks

* export default id and using replaceEditors

fixes #86654

This reverts commit 794330fb.

#86662

fixes #86465

Part of https://github.com/microsoft/vscode-remote-release/issues/1777 and https://github.com/microsoft/vscode/issues/81388

fixes #86342

fixes #86587