Extract an LspStore object from Project, to prepare for language support over SSH (#17041)

For ssh remoting lsps we'll need to have language server support
factored out of project.

Thus that begins

Release Notes:

- N/A

---------

Co-authored-by: Max Brunsfeld <maxbrunsfeld@gmail.com>
Co-authored-by: Mikayla <mikayla@zed.dev>

crates/assistant/src/assistant_panel.rs

@@ -4841,7 +4841,10 @@ fn make_lsp_adapter_delegate(
             .worktrees(cx)
             .next()
             .ok_or_else(|| anyhow!("no worktrees when constructing ProjectLspAdapterDelegate"))?;
-        Ok(ProjectLspAdapterDelegate::new(project, &worktree, cx) as Arc<dyn LspAdapterDelegate>)
+        project.lsp_store().update(cx, |lsp_store, cx| {
+            Ok(ProjectLspAdapterDelegate::new(lsp_store, &worktree, cx)
+                as Arc<dyn LspAdapterDelegate>)
+        })
     })
 }