models: fix apply_default_order being applied twice.

app/models/favorite_group.rb

@@ -45,7 +45,7 @@ class FavoriteGroup < ApplicationRecord
         q = q.apply_default_order(params)
       end
 
-      q.apply_default_order(params)
+      q
     end
   end
 

app/models/post_disapproval.rb

@@ -63,7 +63,7 @@ class PostDisapproval < ApplicationRecord
           q = q.apply_default_order(params)
         end
 
-        q.apply_default_order(params)
+        q
       end
     end
   end