fix: replace Supabase Auth with on-chain sender verification in verify-deposit

Removed JWT auth requirement from edge function. Now uses wallet address
from request body and verifies it matches the on-chain transaction sender.
This works with wallet-based auth instead of Supabase Auth.

web/src/components/p2p/DepositModal.tsx

@@ -173,7 +173,8 @@ export function DepositModal({ isOpen, onClose, onSuccess }: DepositModalProps)
         body: {
           txHash,
           token,
-          expectedAmount: depositAmount
+          expectedAmount: depositAmount,
+          walletAddress: selectedAccount?.address
         }
       });