Update JavaScript default language server (#43316)

As stated in [TypeScript Language Server
documentation](https://zed.dev/docs/languages/typescript#language-servers),
JavaScript uses `vtsls` as the default language server.

Release Notes:

- N/A
10eba0bd5fLiffindra Angga Zaaldian committed on 11/22/2025, 10:21:56 AM· committed by GitHubparentab0527b
1 file changedLine totals unavailable