Fix clippy::needless_borrow lint violations (#36444)

Release Notes:

- N/A

crates/agent_servers/src/acp.rs

@@ -19,14 +19,14 @@ pub async fn connect(
     root_dir: &Path,
     cx: &mut AsyncApp,
 ) -> Result<Rc<dyn AgentConnection>> {
-    let conn = v1::AcpConnection::stdio(server_name, command.clone(), &root_dir, cx).await;
+    let conn = v1::AcpConnection::stdio(server_name, command.clone(), root_dir, cx).await;
 
     match conn {
         Ok(conn) => Ok(Rc::new(conn) as _),
         Err(err) if err.is::<UnsupportedVersion>() => {
             // Consider re-using initialize response and subprocess when adding another version here
             let conn: Rc<dyn AgentConnection> =
-                Rc::new(v0::AcpConnection::stdio(server_name, command, &root_dir, cx).await?);
+                Rc::new(v0::AcpConnection::stdio(server_name, command, root_dir, cx).await?);
             Ok(conn)
         }
         Err(err) => Err(err),

crates/agent_servers/src/claude.rs

@@ -291,7 +291,7 @@ impl AgentConnection for ClaudeAgentConnection {
 
     fn cancel(&self, session_id: &acp::SessionId, _cx: &mut App) {
         let sessions = self.sessions.borrow();
-        let Some(session) = sessions.get(&session_id) else {
+        let Some(session) = sessions.get(session_id) else {
             log::warn!("Attempted to cancel nonexistent session {}", session_id);
             return;
         };