Replace $.ajax with axios in members.js

app/assets/javascripts/members.js

 import Flash from './flash';
+import { __ } from './locale';
+import axios from './lib/utils/axios_utils';
 
 export default class Members {
   constructor() {
@@ -50,7 +52,8 @@ export default class Members {
             $toggle.disable();
             $dateInput.disable();
 
-            this.overrideLdap($memberListItem, $link.data('endpoint'), false).fail(() => {
+            this.overrideLdap($memberListItem, $link.data('endpoint'), false)
+              .catch(() => {
                 $toggle.enable();
                 $dateInput.enable();
               });
@@ -101,32 +104,31 @@ export default class Members {
 
     $btn.disable();
     // eslint-disable-next-line promise/catch-or-return
-    this.overrideLdap($memberListItem, $btn.data('endpoint'), true).then(() => {
+    this.overrideLdap($memberListItem, $btn.data('endpoint'), true)
+      .then(() => {
         this.showLDAPPermissionsWarning(e);
 
         $toggle.enable();
         $dateInput.enable();
-    }).fail((xhr) => {
+      })
+      .catch((xhr) => {
         $btn.enable();
 
         if (xhr.status === 403) {
-        Flash('You do not have the correct permissions to override the settings from the LDAP group sync.', 'alert');
+          Flash(__('You do not have the correct permissions to override the settings from the LDAP group sync.'));
         } else {
-        Flash('An error occured whilst saving LDAP override status. Please try again.', 'alert');
+          Flash(__('An error occurred while saving LDAP override status. Please try again.'));
         }
       });
   }
   // eslint-disable-next-line class-methods-use-this
   overrideLdap($memberListitem, endpoint, override) {
-    return $.ajax({
-      url: endpoint,
-      type: 'PATCH',
-      data: {
+    return axios.patch(endpoint, {
       group_member: {
         override,
       },
-      },
-    }).then(() => {
+    })
+    .then(() => {
       $memberListitem.toggleClass('is-overriden', override);
     });
   }