render actions partial in the default show page

Action buttons were missing post knapsack deploy to prod

Issue:
- https://github.com/scientist-softserv/adventist-dl/issues/747

app/views/hyrax/base/show.html.erb

@@ -11,6 +11,7 @@
     <div class="panel panel-default">
       <div class="panel-heading">
         <%= render 'work_title', presenter: @presenter %>
+        <%= render 'show_actions', presenter: @presenter %>
       </div>
       <div class="panel-body">
         <div class="row">