fix: Correct trust score storage query name

Changed from `trustScoreOf` to `trustScores` to match the actual
storage item name in pallet_trust. Polkadot.js API uses storage names,
not getter function names.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

src/components/wallet/WalletModal.tsx

@@ -62,7 +62,7 @@ export const WalletModal: React.FC<WalletModalProps> = ({ isOpen, onClose }) =>
       }
 
       try {
-        const score = await api.query.trust.trustScoreOf(selectedAccount.address);
+        const score = await api.query.trust.trustScores(selectedAccount.address);
         setTrustScore(score.toString());
         console.log('✅ Trust score fetched:', score.toString());
       } catch (err) {