Move EE differences for `app/assets/javascripts/boards/filtered_search_boards.js`

The file app/assets/javascripts/boards/filtered_search_boards.js has differences between CE and EE.

Diferences

diff --git a/home/yorickpeterse/Projects/gitlab/gdk-ce/gitlab/app/assets/javascripts/boards/filtered_search_boards.js b/home/yorickpeterse/Projects/gitlab/gdk-ee/gitlab/app/assets/javascripts/boards/filtered_search_boards.js
index c14d69c5d18..aa9a23a3a7a 100644
--- a/home/yorickpeterse/Projects/gitlab/gdk-ce/gitlab/app/assets/javascripts/boards/filtered_search_boards.js
+++ b/home/yorickpeterse/Projects/gitlab/gdk-ee/gitlab/app/assets/javascripts/boards/filtered_search_boards.js
@@ -1,3 +1,4 @@
+import IssuesFilteredSearchTokenKeysEE from 'ee/filtered_search/issues_filtered_search_token_keys';
 import FilteredSearchContainer from '../filtered_search/container';
 import FilteredSearchManager from '../filtered_search/filtered_search_manager';
 import boardsStore from './stores/boards_store';
@@ -8,6 +9,8 @@ export default class FilteredSearchBoards extends FilteredSearchManager {
       page: 'boards',
       isGroupDecendent: true,
       stateFiltersSelector: '.issues-state-filters',
+      isGroup: true,
+      filteredSearchTokenKeys: IssuesFilteredSearchTokenKeysEE,
     });
 
     this.store = store;

https://leipert-projects.gitlab.io/is-gitlab-pretty-yet/diff/?search=filtered_search_boards.js

What needs to be done