Fix typo error

Fixed error while declaring EthereumWalletRegistry instance. Error
caused using Mainnet contracts on Goerli chain resulting with
error when SDK is consumed with an entrypoint.

typescript/src/lib/ethereum/index.ts

@@ -1,10 +1,10 @@
-import { TBTCContracts } from "../contracts"
 import { providers, Signer } from "ethers"
+import { TBTCContracts } from "../contracts"
+import { EthereumAddress } from "./address"
 import { EthereumBridge } from "./bridge"
-import { EthereumWalletRegistry } from "./wallet-registry"
 import { EthereumTBTCToken } from "./tbtc-token"
 import { EthereumTBTCVault } from "./tbtc-vault"
-import { EthereumAddress } from "./address"
+import { EthereumWalletRegistry } from "./wallet-registry"
 
 export * from "./address"
 export * from "./bridge"
@@ -96,7 +96,7 @@ export async function loadEthereumContracts(
   const tbtcVault = new EthereumTBTCVault({ signerOrProvider: signer }, network)
   const walletRegistry = new EthereumWalletRegistry(
     { signerOrProvider: signer },
-    "mainnet"
+    network
   )
 
   const bridgeWalletRegistry = await bridge.walletRegistry()