refactor(Contracts): extract chainID check to isHardHatNode function

.changeset/clean-buttons-think.md

+---
+'@eth-optimism/contracts': patch
+---
+
+Run etherscan verification after each contract is deployed.

packages/contracts/deploy/011-set-addresses.ts

@@ -76,7 +76,7 @@ const deployFn: DeployFunction = async (hre) => {
 
   // Check if if we're on the hardhat chain ID. This will only happen in CI. If this is the case, we
   // can skip directly to transferring ownership over to the ChugSplashDictator contract.
-  if (isHardhatNode(hre)) {
+  if (await isHardhatNode(hre)) {
     const owner = await hre.ethers.getSigner(currentOwner)
     await Lib_AddressManager.connect(owner).transferOwnership(
       AddressDictator.address

packages/contracts/deploy/016-fund-accounts.ts

@@ -15,7 +15,7 @@ import {
 // details of how to make that work cleanly. This is fine in the meantime.
 const deployFn: DeployFunction = async (hre) => {
   // Only execute this step if we're on the hardhat chain ID.
-  if (isHardhatNode(hre)) {
+  if (await isHardhatNode(hre)) {
     const L1StandardBridge = await getContractFromArtifact(
       hre,
       'Proxy__OVM_L1StandardBridge',