AC-1429: Customer Segment is broken

- fix static failures

Author: krissyhiserote

lib/web/mage/backend/tabs.js

@@ -244,10 +244,10 @@ define([
              * @param {Object} event - event object
              * @param {Object} ui
              */
-            beforeLoad: function( event, ui ) {
+            beforeLoad: function (event, ui) {
                 ui.ajaxSettings.type = 'POST';
                 ui.ajaxSettings.hasContent = true;
-                ui.jqXHR.setRequestHeader("Content-Type", ui.ajaxSettings.contentType);
+                ui.jqXHR.setRequestHeader('Content-Type', ui.ajaxSettings.contentType);
                 ui.ajaxSettings.data = jQuery.param(
                     {isAjax: true, 'form_key': typeof FORM_KEY !== 'undefined' ? FORM_KEY : null},
                     ui.ajaxSettings.traditional