fixed typo in selector 🙈

app/assets/javascripts/experimental_flags.js

 import Cookies from 'js-cookie';
 
 export default () => {
-  $('.js-expirement-feature-toggle').on('change', (e) => {
+  $('.js-experiment-feature-toggle').on('change', (e) => {
     const el = e.target;
 
     Cookies.set(el.name, el.value, {

app/views/profiles/preferences/show.html.haml

@@ -27,11 +27,11 @@
   .col-lg-9.syntax-theme
     = label_tag do
       .preview= image_tag "old_nav.png"
-      %input.js-expirement-feature-toggle{ type: "radio", value: "false", name: "new_nav", checked: !show_new_nav? }
+      %input.js-experiment-feature-toggle{ type: "radio", value: "false", name: "new_nav", checked: !show_new_nav? }
       Old
     = label_tag do
       .preview= image_tag "new_nav.png"
-      %input.js-expirement-feature-toggle{ type: "radio", value: "true", name: "new_nav", checked: show_new_nav? }
+      %input.js-experiment-feature-toggle{ type: "radio", value: "true", name: "new_nav", checked: show_new_nav? }
       New
   .col-sm-12
     %hr