Support add folder to workspace only in multi root workspace

Create loader snapshots when building

Fixes #30094: The less extension should contribute problem matchers for common less and sass compilers

- Workspace context service
- Workspace configuration service
- Configuration editing service
- Workspace editing service

fixes #30437

related to #30462

* move watermark to resources folder

* add to build

* 💄

* update distro

* update distro

Refactor TS Version detection and version picker for multiroot support

Extracts the ts version detector and the TS version picker to their own files and cleans up their interfaces. This is the initial work to support a multiroot ts version picker