Fix listing event groups

Signed-off-by: Thomas Citharel <tcit@tcit.fr>

lib/mobilizon/events/events.ex

@@ -425,6 +425,10 @@ defmodule Mobilizon.Events do
     |> Page.build_page(page, limit)
   end
 
+  def list_simple_organized_events_for_group(%Actor{} = actor, page, limit) do
+    list_organized_events_for_group(actor, :all, nil, nil, page, limit)
+  end
+
   @spec list_organized_events_for_group(
           Actor.t(),
           DateTime.t() | nil,