refactor(tests): improve onboarding SSI Agent tests and webview handling
- Add webview.helper.ts with robust context switching and retry logic
- Simplify onboarding-ssi-agent.steps.ts by removing redundant context switching
- Add 'user is on Connect to Veridian screen' step definition with proper webview handling
- Improve SsiAgentScanScreen.clickAdvancedSetup() with JavaScript-native click for Shadow DOM
- Update wdio configs with improved ADB and ChromeDriver settings
- Remove emojis from console logs across test files
- Simplify ProfileSetupScreen.loads() method
- Update feature files for better test organization