perf(cli): background IDE client to speed up initialization (#23603)

packages/cli/src/core/initializer.test.ts

@@ -105,6 +105,9 @@ describe('initializer', () => {
       mockSettings,
     );
 
+    // Wait for the background promise to resolve
+    await new Promise((resolve) => setTimeout(resolve, 0));
+
     expect(result).toEqual({
       authError: null,
       accountSuspensionInfo: null,