Re-enable node-cli tests in CI and fix them (#14093)

With the recent change of re-running flaky tests this should be fine!

substrate/test-utils/cli/src/lib.rs

@@ -64,7 +64,7 @@ pub fn start_node() -> Child {
 	Command::new(cargo_bin("substrate"))
 		.stdout(process::Stdio::piped())
 		.stderr(process::Stdio::piped())
-		.args(&["--dev", "--tmp", "--ws-port=45789", "--no-hardware-benchmarks"])
+		.args(&["--dev", "--tmp", "--rpc-port=45789", "--no-hardware-benchmarks"])
 		.spawn()
 		.unwrap()
 }