[#1384] Update related controller to use a list

The controller relied on the output of related_list being a
Query object. Updated them to use the list.

ckan/controllers/related.py

@@ -40,7 +40,7 @@ def dashboard(self):
             base.abort(400, ('"page" parameter must be an integer'))
 
         # Update ordering in the context
-        query = logic.get_action('related_list')(context, data_dict)
+        related_list  = logic.get_action('related_list')(context, data_dict)
 
         def search_url(params):
             url = h.url_for(controller='related', action='dashboard')
@@ -55,10 +55,10 @@ def pager_url(q=None, page=None):
             return search_url(params)
 
         c.page = h.Page(
-            collection=query.all(),
+            collection=related_list,
             page=page,
             url=pager_url,
-            item_count=query.count(),
+            item_count=len(related_list),
             items_per_page=9
         )