Import BoardsStoreEE conditionally

(cherry picked from commit 7380a9fb47138611a27e1e5cf57b29624dc69d80)

app/assets/javascripts/boards/stores/boards_store.js

@@ -5,7 +5,7 @@ import $ from 'jquery';
 import _ from 'underscore';
 import Vue from 'vue';
 import Cookies from 'js-cookie';
-import BoardsStoreEE from 'ee/boards/stores/boards_store_ee';
+import BoardsStoreEE from 'ee_else_ce/boards/stores/boards_store_ee';
 import { getUrlParamsArray, parseBoolean } from '~/lib/utils/common_utils';
 
 const boardsStore = {

app/assets/javascripts/boards/stores/boards_store_ee.js

+// this is just to make ee_else_ce happy and will be cleaned up in https://gitlab.com/gitlab-org/gitlab-ce/issues/59807
+
+export default {
+  initEESpecific() {},
+};