Merge branch 'roadmap-fix-suggestions-list-class' into 'master'

Fixed error shown on roadmaps

See merge request gitlab-org/gitlab!58364

ee/app/assets/javascripts/roadmap/roadmap_bundle.js

@@ -43,6 +43,7 @@ export default () => {
 
   return new Vue({
     el,
+    apolloProvider: {},
     store: createStore(),
     components: {
       roadmapApp,