Another batch of lint fixes (#36521)

- **Enable a bunch of extra lints**
- **First batch of fixes**
- **More fixes**

Release Notes:

- N/A

crates/context_server/src/listener.rs

@@ -77,7 +77,7 @@ impl McpServer {
                 socket_path,
                 _server_task: server_task,
                 tools,
-                handlers: handlers,
+                handlers,
             })
         })
     }