Add settings to remote servers, use XDG paths on remote, and enable node LSPs (#19176)

Supersedes https://github.com/zed-industries/zed/pull/19166

TODO:
- [x] Update basic zed paths
- [x] update create_state_directory
- [x] Use this with `NodeRuntime`
- [x] Add server settings
- [x] Add an 'open server settings command'
- [x] Make sure it all works


Release Notes:

- Updated the actions `zed::OpenLocalSettings` and `zed::OpenLocalTasks`
to `zed::OpenProjectSettings` and `zed::OpenProjectTasks`.

---------

Co-authored-by: Conrad <conrad@zed.dev>
Co-authored-by: Richard <richard@zed.dev>

crates/language/src/language.rs

@@ -367,7 +367,7 @@ pub trait LspAdapter: 'static + Send + Sync {
             }
 
             let Some(container_dir) = delegate.language_server_download_dir(&self.name()).await else {
-                anyhow::bail!("cannot download language servers for remotes (yet)")
+                anyhow::bail!("no language server download dir defined")
             };
 
             let mut binary = try_fetch_server_binary(self.as_ref(), &delegate, container_dir.to_path_buf(), cx).await;