Adopt to use getWorkspaceState instead of hasFolderWorkspace or hasMultiFolderWorkspace

Introduce an API in workspace contet service to check current workspace is with given workspace identifier

* Add template system for tab descriptions. (#12965)

* Add a boolean flag to onConfigurationChanged to prevent updates during initialization.

* - Change configuration key to 'workbench.editor.tabSubtitle'.
- Change configuration type to the enum ['default', 'short', 'medium', 'long']
- Move path logic into FileEditorInput.
- Move configuration handling into GroupService/ITabOptions.
- Refactor duplicate path shortening logic.

* Don't consider empty-string descriptions during de-duplication. Don't show subtitle when all descriptions are identical.

* Minor fixes and documentation.

fixes #16322
fixes #23646

- change threshold to 10 lines (same as VS)
- do not reveal history location in center unless outside of viewport

debug: activate "onDebug" when a user is about to start debugging or about to setup debug configurations

fixes #33258