use ssh lsp store (#17655)

Release Notes:

- ssh remoting: Added support for booting langauge servers (in limited
circumstances)

---------

Co-authored-by: Mikayla <mikayla@zed.dev>

crates/lsp/src/lsp.rs

@@ -89,6 +89,16 @@ pub struct LanguageServer {
 #[repr(transparent)]
 pub struct LanguageServerId(pub usize);
 
+impl LanguageServerId {
+    pub fn from_proto(id: u64) -> Self {
+        Self(id as usize)
+    }
+
+    pub fn to_proto(self) -> u64 {
+        self.0 as u64
+    }
+}
+
 /// Handle to a language server RPC activity subscription.
 pub enum Subscription {
     Notification {