- Changed instances of `waitForLoadState('networkidle')` to `waitForLoadState('load')` across multiple test files and utility functions to improve test reliability in applications with persistent connections.
- Added documentation to the e2e testing guide explaining the rationale behind using 'load' state instead of 'networkidle' to prevent timeouts and flaky tests.
- Introduced a comprehensive E2E Testing Guide outlining best practices for Playwright tests, including principles for test isolation, element selection, and setup utilities.
- Added new test files for project creation and opening existing projects, ensuring functionality for creating blank projects and projects from GitHub templates.
- Implemented utility functions for setting up test states and managing localStorage, enhancing maintainability and reducing boilerplate in tests.
