Update style.js

Author: hermanzdosilovic

js/style.js

@@ -6,9 +6,9 @@ import { IS_PUTER } from "./puter.js";
 const style = {
     apply(name) {
         configuration.set("style", name);
-
-        Object.keys(configuration.getConfig().styleOptions).forEach(styleOption => {
-            const showOption = configuration.getConfig().styleOptions[styleOption];
+        const config = configuration.getConfig();
+        Object.keys(config.styleOptions).forEach(styleOption => {
+            const showOption = config.styleOptions[styleOption];
             if (showOption) {
                 document.querySelectorAll(`.judge0-${styleOption}`).forEach(e => {
                     e.classList.remove("judge0-style-hidden");