fix(cli): Prevent stdout/stderr patching for extension commands (#13600)

Co-authored-by: jacob314 <jacob314@gmail.com>

packages/cli/src/commands/extensions/new.test.ts

@@ -11,6 +11,9 @@ import * as fsPromises from 'node:fs/promises';
 import path from 'node:path';
 
 vi.mock('node:fs/promises');
+vi.mock('../utils.js', () => ({
+  exitCli: vi.fn(),
+}));
 
 const mockedFs = vi.mocked(fsPromises);