Refactor: Change how test runner handles pageWithUserData tests (#5922)

* refactor: change how test runner opens pageWithUserData instances

* fix: test move tabs

* fix: custom ca cert tests

* fix: update file patterns and improve error messages

* fix: improve electron app launch logic

* fix: update temporary directory handling for Electron app

* fix: ensure newline at end of file in index.ts

This change adds a newline at the end of the file to comply with coding standards.

* fix: improve error handling in recursiveCopy function

- Simplified error message when source path does not exist.
- Enhanced error handling to provide clearer guidance on usage of `page` fixture.

* fix(e2e): close collections after each tests

* fix: reuse the worker instance per file instead of per user data dir

* fix: revert ssl tests as serial run is fixed

* fix: change afterEach to afterAll for cleanup

fix: change afterEach to afterAll for cleanup

---------

Co-authored-by: Bijin Bruno <bijin@usebruno.com>

tests/interpolation/dynamic-variable/set-var-dynamic-variable.spec.ts

@@ -2,7 +2,7 @@ import { test, expect } from '../../../playwright';
 import { closeAllCollections, openCollectionAndAcceptSandbox } from '../../utils/page';
 
 test.describe.serial('Dynamic Variable Interpolation', () => {
-  test.afterAll(async ({ pageWithUserData: page }) => {
+  test.afterEach(async ({ pageWithUserData: page }) => {
     // cleanup: close all collections
     await closeAllCollections(page);
   });