* Enhance E2E Tests and Configuration
- Updated `.gitignore` to exclude `.auth/` directory for cleaner test environment.
- Added `test:fast` script in `package.json` for faster Playwright test execution.
- Configured Playwright to include a setup project for initializing tests.
- Introduced `AUTH_STATES` utility for managing authentication states in tests.
- Created `auth.setup.ts` for user authentication tests, ensuring proper login flows.
- Refactored various test files to utilize the new authentication state management, improving test reliability and maintainability.
- Adjusted team and user billing tests to streamline setup and enhance clarity.
- Refactored some dialogs
Code for billing process was refactored in end-to-end tests for clean code and better structure. In the described tests, related codes and classes have been moved to a new class named BillingPageObject. All corresponding calls were updated accordingly.
This commit introduces end-to-end tests for the user and team billing features. It also enhances existing billing configurations, logging, and error handling mechanisms. Refactoring has been done to simplify the code and make it more readable. Adjustments have also been made in the visual aspects of some components. The addition of these tests will help ensure the reliability of the billing features.