article_note_validator: fix handling of Mastodon-style replies collections

The first collection page is (sometimes?) inlined
which caused crashes when attempting to log the fetch failure.
But there’s no need to fetch and we can treat it like the other inline collection

lib/pleroma/web/activity_pub/object_validators/article_note_page_validator.ex

@@ -71,7 +71,7 @@ defp fix_tag(data), do: Map.drop(data, ["tag"])
 
   defp fix_replies(%{"replies" => replies} = data) when is_list(replies), do: data
 
-  defp fix_replies(%{"replies" => %{"first" => first}} = data) do
+  defp fix_replies(%{"replies" => %{"first" => first}} = data) when is_binary(first) do
     with {:ok, replies} <- Akkoma.Collections.Fetcher.fetch_collection(first) do
       Map.put(data, "replies", replies)
     else
@@ -81,6 +81,10 @@ defp fix_replies(%{"replies" => %{"first" => first}} = data) do
     end
   end
 
+  defp fix_replies(%{"replies" => %{"first" => %{"items" => replies}}} = data)
+       when is_list(replies),
+       do: Map.put(data, "replies", replies)
+
   defp fix_replies(%{"replies" => %{"items" => replies}} = data) when is_list(replies),
     do: Map.put(data, "replies", replies)