Disable code size warnings on exposed contracts

(cherry picked from commit d095542fa4e35212e822fca1df166211f9b68186)

hardhat.config.js

@@ -76,6 +76,9 @@ module.exports = {
     },
   },
   warnings: {
+    'contracts-exposed/**/*': {
+      'code-size': 'off',
+    },
     '*': {
       'code-size': withOptimizations,
       'unused-param': !argv.coverage, // coverage causes unused-param warnings