refactor: dispatch requests on organization path to resources service

Forwarding requests on the organizations path to the cache leads to issues were
changes that the user just made are not shown. For example, when adding a
related organization the newly added organization would not show up in the list
unless the cache was restarted.

config/dispatcher/dispatcher.ex

@@ -73,7 +73,7 @@ defmodule Dispatcher do
   end
 
   match "/organizations/*path", %{ accept: [:json], layer: :api} do
-    Proxy.forward conn, path, "http://cache/organizations/"
+    Proxy.forward conn, path, "http://resource/organizations/"
   end
 
   match "/administrative-units/*path", %{ accept: [:json], layer: :api} do