Removing for...of syntax in pick util function.

Author: davidkpiano

src/utils/pick.js

@@ -1,7 +1,8 @@
 export default function pick(object, props) {
   const result = {};
 
-  for (const prop of props) {
+  for (let i = 0; i < props.length; i++) {
+    const prop = props[i];
     result[prop] = object[prop];
   }