Update to render NewEpic app and filtered search bar

ee/app/views/groups/epics/index.html.haml

 - page_title "Epics"
+- content_for :page_specific_javascripts do
+  = webpack_bundle_tag 'common_vue'
+  = webpack_bundle_tag 'filtered_search'
+
+.top-area
+  = render 'shared/issuable/epic_nav', type: :epics
+  .nav-controls
+    - if can?(current_user, :create_epic, @group)
+      - content_for :page_specific_javascripts do
+        = webpack_bundle_tag 'new_epic'
+      #new-epic-app{ data: { endpoint: request.url, 'align-right' => true } }
+
+= render 'shared/epic/search_bar', type: :epics
 
 - if @epics.to_a.any?
   = render 'shared/epics'