ZapWindow now correctly handles naddr pointers by:
- Using useNostrEvent hook which supports both EventPointer and AddressPointer
- Falling back to addressPointer.pubkey when event hasn't loaded yet
Previously, zapping an naddr would fail because the component only
tried to load events via eventPointer.id, ignoring addressPointer.
Co-authored-by: Claude <noreply@anthropic.com>