project: Fine-grained language server management (#24038)

Closes #ISSUE
https://github.com/zed-industries/zed/pull/23804
Release Notes:

- Improved detection of project roots for use by language servers.

Closes #ISSUE

Release Notes:

- N/A *or* Added/Fixed/Improved ...

---------

Co-authored-by: smit <0xtimsb@gmail.com>
Co-authored-by: Henrikh Kantuni <henrikh.kantuni@gmail.com>
Co-authored-by: Caleb! <48127194+kaf-lamed-beyt@users.noreply.github.com>
Co-authored-by: Marshall Bowers <git@maxdeviant.com>
Co-authored-by: Kirill Bulatov <kirill@zed.dev>
Co-authored-by: Agus Zubiaga <agus@zed.dev>
Co-authored-by: Danilo <danilo@zed.dev>
Co-authored-by: Nate Butler <iamnbutler@gmail.com>

crates/recent_projects/src/recent_projects.rs

@@ -671,7 +671,7 @@ mod tests {
                     }];
                     delegate.set_workspaces(vec![(
                         WorkspaceId::default(),
-                        SerializedWorkspaceLocation::from_local_paths(vec!["/test/path/"]),
+                        SerializedWorkspaceLocation::from_local_paths(vec![path!("/test/path/")]),
                     )]);
                 });
             })