move unhandled block warning

lib/ws2p/connection.ex

@@ -356,7 +356,7 @@ defmodule WS2P.Connection do
             case Block.Validation.Local.valid(block) do
               {:ok, [local_iindex, local_mindex, local_cindex, local_sindex]} ->
                 # TODO global validation
-                nil
+                Logger.warn("Unhandled block: #{inspect(object)}")
 
               {:error, error} ->
                 Logger.info("Discarded remote block - #{error}: #{inspect(object)}")
@@ -365,8 +365,6 @@ defmodule WS2P.Connection do
             Logger.info("Discarded remote block that is already known: #{inspect(object)}")
           end
 
-          Logger.warn("Unhandled block: #{inspect(object)}")
-
         # TODO handling received heads
         # https://git.duniter.org/nodes/common/doc/-/blob/ws2p_v2/rfc/0004_ws2p_v1.md#rebound-policy
         # GenServer.call(WS2P.Cluster, {:heads_received, heads})