**Motivations :**
- Remove the manual 'Authenticate with Browser' button that was reappearing
- Restore automatic WebAuthn authentication flow as requested by user
- Ensure seamless user experience without manual intervention
**Modifications :**
- Removed dynamic button creation in sp-address.utils.ts onCreateButtonClick()
- Changed WebAuthn flow from manual button click to automatic trigger
- Updated status message from 'Click to authenticate' to 'Authenticating with browser...'
- Simplified WebAuthn authentication to be automatic without user gesture requirement
**Pages affectées :**
- src/utils/sp-address.utils.ts: Removed manual button creation and restored auto WebAuthn