feat(send): add favorite contacts feature with ADA handle support
- Add favorite contacts list showing previously used domains and own wallet handles - Implement app-wide favorite contacts storage - Extract ADA handles from NFT metadata instead of parsing asset names - Add custom ADA Handle icon component with proper styling - Fix layout shift in InputReceiver by adding fixed height to helper area - Normalize domains before saving to favorites - Save favorites only when user clicks Next after successful resolution - Remove CNS from supported name servers notice - Clean up console logs and fix lint/type issues