Use issue search filter keys for service desk

ee/app/assets/javascripts/pages/projects/issues/service_desk/filtered_search.js

 /* eslint-disable class-methods-use-this */
-import FilteredSearchTokenKeys from '~/filtered_search/filtered_search_token_keys';
 import FilteredSearchManager from '~/filtered_search/filtered_search_manager';
+import IssuesFilteredSearchTokenKeysEE from 'ee/filtered_search/issues_filtered_search_token_keys';
 
 const AUTHOR_PARAM_KEY = 'author_username';
 
@@ -8,7 +8,7 @@ export default class FilteredSearchServiceDesk extends FilteredSearchManager {
   constructor(supportBotData) {
     super({
       page: 'service_desk',
-      filteredSearchTokenKeys: FilteredSearchTokenKeys,
+      filteredSearchTokenKeys: IssuesFilteredSearchTokenKeysEE,
     });
 
     this.supportBotData = supportBotData;