LSP middleware is referencing VS code types.

[rchiodo]

In order for the pylance team to reuse this:
https://github.com/microsoft/vscode-jupyter-lsp-middleware/blob/main/src/notebookConcatDocument.ts#L45

It cannot reference any VS code types.

Instead it should just use protocol types.

[rchiodo]

Partially complete. Going to chat with @heejaechang and @bschnurr about using the submission made.

Plan is to:

• Fixup lsp-middleware to be direct copyable by pylance
• Move that piece to a separate npm module
• Have lsp-middleware and pylance just use that separate module

[rchiodo]

Completed this yesterday with:

• microsoft/vscode-jupyter-lsp-middleware@a9a4e7b
• microsoft/lsp-notebook-concat@d9bdf6a
• microsoft/lsp-notebook-concat@d9bdf6a

[rchiodo]

To verify:

• Open notebooks and ensure colorization works
• Ensure autocomplete and hover work
• Open Interactive window and ensure completion works in input box
• Ensure hover works in expanded code (if you expand cells after they're run)