Fix incorrect method chain for page card images when user can't show the page

Author: rsmithlal

app/views/better_together/pages/_page.html.erb

@@ -9,7 +9,7 @@
         <% end %>
       <% end %>
     <% else %>
-      <% if page.primary_image&.media&.attached? %>
+      <% if page.primary_image&.attached? %>
         <%= image_tag rails_storage_proxy_url(page.primary_image), class: "card-img-top", alt: "#{page.title}" %>
       <% else %>
         <%= card_image_tag(page) %>