agent: Render path search results with ToolCard (#28894)

Implementing the `ToolCard` for the path_search tool. It also adds the
"jump to file" functionality if you expand the results.

Release Notes:

- N/A

---------

Co-authored-by: Richard Feldman <oss@rtfeldman.com>
Co-authored-by: Agus Zubiaga <hi@aguz.me>

crates/assistant_tools/Cargo.toml

@@ -37,9 +37,8 @@ serde_json.workspace = true
 ui.workspace = true
 util.workspace = true
 web_search.workspace = true
-workspace.workspace = true
 workspace-hack.workspace = true
-worktree.workspace = true
+workspace.workspace = true
 zed_llm_client.workspace = true
 
 [dev-dependencies]