summary only if objects exist (#1997)

app/views/admin/communication/websites/show.html.erb

@@ -17,19 +17,19 @@
 number_of_panels = 0
 %>
 <div class="row g-5">
-  <% if @website.feature_posts && can?(:read, Communication::Website::Post) %>
+  <% if @website.feature_posts && @posts.any? && can?(:read, Communication::Website::Post) %>
     <% number_of_panels += 1 %>
     <div class="col-lg-6">
     <%= render 'admin/communication/websites/show/posts'  %>
     </div>
   <% end %>
-  <% if @website.feature_agenda && can?(:read, Communication::Website::Agenda::Event) %>
+  <% if @website.feature_agenda && @events.any? && can?(:read, Communication::Website::Agenda::Event) %>
     <% number_of_panels += 1 %>
     <div class="col-lg-6">
       <%= render 'admin/communication/websites/show/events' %>
     </div>
   <% end %>
-  <% if @website.feature_portfolio && can?(:read, Communication::Website::Portfolio::Project) %>
+  <% if @website.feature_portfolio && @projects.any? && can?(:read, Communication::Website::Portfolio::Project) %>
     <% number_of_panels += 1 %>
     <div class="col-lg-6">
       <%= render 'admin/communication/websites/show/projects' %>