lint: Add eqeqeq smart validation and fix ==

This adds a linter for smart validation of === vs ==.  The linter was
verified to fail the comparison in this commit and then verified it
passes after the change from == to ===.

tests/e2e-evm/eslint.config.mjs

@@ -3,6 +3,11 @@ import tseslint from 'typescript-eslint';
 
 export default tseslint.config(
   eslint.configs.recommended,
+  {
+    rules: {
+      eqeqeq: ["error", "smart"],
+    },
+  },
   ...tseslint.configs.strictTypeChecked,
   ...tseslint.configs.stylisticTypeChecked,
   {

tests/e2e-evm/test/extensions/viem.ts

@@ -29,7 +29,7 @@ const kavalocalnet: Chain = defineChain({
 
 // getChainConfig returns the kvtoollocalnet Chain if the hardhat environment kvtool network is set, else undefined
 function getChainConfig(hre: HardhatRuntimeEnvironment): { chain?: Chain } {
-  if (hre.network.name == "kvtool") {
+  if (hre.network.name === "kvtool") {
     return { chain: kavalocalnet };
   }