Merge branch 'winh-boards-selector-showPage-ee' into 'master'

Delegate showPage() from BoardsSelector to BoardsStoreEE

See merge request gitlab-org/gitlab-ee!13209

ee/app/assets/javascripts/boards/components/boards_selector.vue

@@ -169,8 +169,7 @@ export default {
   },
   methods: {
     showPage(page) {
-      this.state.reload = false;
-      this.state.currentPage = page;
+      boardsStore.showPage(page);
     },
     loadBoards(toggleDropdown = true) {
       if (toggleDropdown && this.boards.length > 0) {