Fixes #24209

**Bug**
Currently, for the js/ts references code lens, even if there are zero references you can click on the lens. This display an empty peek view

**Fix**
Allow code lenses to only register a title for the lens with no actual backing command

fixes #24009

fixes #23446

introduces more changes to the SCM api

fixes #23623
fixes #23676

fixes #23384

fixes #2824

Part of #23177

This reverts commit a6a41fd6.