This reverts commit 27256832 which turns out did not break the import of vs/nls

This reverts commit 7de696a2.

Seems to have broken loading vs/nls in at least one case in insiders

Don't use this import form in places where it is not needed. This prevents us from correctly detecting duplicate imports

* Renaming Close Unmodified to Close Unsaved
https://github.com/Microsoft/vscode/issues/44033

* Putting back action identifiers

* fix spelling of 'iff' and 'idenifier'

* Keep 'iff' in comment if it means *if and only if*

Replace the editor that is at the given position - Switching user and workspace settings when settings editor is open in more than one group