fixup! repl: refactor to avoid unsafe array iteration

Author: RaisinTen

lib/internal/util/inspect.js

@@ -310,8 +310,7 @@ function inspect(value, opts) {
       ctx.showHidden = opts;
     } else if (opts) {
       const optKeys = ObjectKeys(opts);
-      for (let i = 0; i < optKeys.length; ++i) {
-        const key = optKeys[i];
+      for (const key of optKeys) {
         // TODO(BridgeAR): Find a solution what to do about stylize. Either make
         // this function public or add a new API with a similar or better
         // functionality.