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

There are many places in the code that do `import Event, { ...} from '.../event'`.

fixes #45610

fixes #45610

fixes #44866

- Custom view service to get tree item viewer
- Custom view service to register the data provider

Cancelling opening a folder from a multi-root unsaved workspace corrupts the current worksapce (fixes #42799)

* Add workbench.fontAliasing.auto option

* Remove monaco-font-aliasing-default class

* Remove monaco-font-aliasing-auto class for non-retina displays to behave as `default`