Fix /erc721/transfer (#298)

Author: adam-maj

src/server/routes/contract/extensions/erc721/write/transfer.ts

@@ -56,7 +56,7 @@ export async function erc721transfer(fastify: FastifyInstance) {
       const { chain, contractAddress } = request.params;
       const { to, tokenId } = request.body;
       const walletAddress = request.headers[
-        "x-backend-wallet-addressaddress"
+        "x-backend-wallet-address"
       ] as string;
       const accountAddress = request.headers["x-account-address"] as string;
       const chainId = getChainIdFromChain(chain);