Remove containment tests from transmogrifier and fix thread visibility solver

lib/pleroma/object/containment.ex

@@ -9,9 +9,6 @@ defmodule Pleroma.Object.Containment do
   Object containment is an important step in validating remote objects to prevent
   spoofing, therefore removal of object containment functions is NOT recommended.
   """
-
-  require Logger
-
   def get_actor(%{"actor" => actor}) when is_binary(actor) do
     actor
   end

lib/pleroma/web/activity_pub/visibility.ex

@@ -41,16 +41,19 @@ defmodule Pleroma.Web.ActivityPub.Visibility do
   # guard
   def entire_thread_visible_for_user?(nil, _user), do: false
 
-  # child
+  # XXX: Probably even more inefficient than the previous implementation, intended to be a placeholder untill https://git.pleroma.social/pleroma/pleroma/merge_requests/971 is in develop
   def entire_thread_visible_for_user?(
-        %Activity{data: %{"object" => %{"inReplyTo" => parent_id}}} = tail,
+        %Activity{} = tail,
+        # %Activity{data: %{"object" => %{"inReplyTo" => parent_id}}} = tail,
         user
-      )
-      when is_binary(parent_id) do
-    parent = Activity.get_in_reply_to_activity(tail)
-    visible_for_user?(tail, user) && entire_thread_visible_for_user?(parent, user)
-  end
+      ) do
+    case Object.normalize(tail) do
+      %{data: %{"inReplyTo" => parent_id}} when is_binary(parent_id) ->
+        parent = Activity.get_in_reply_to_activity(tail)
+        visible_for_user?(tail, user) && entire_thread_visible_for_user?(parent, user)
 
-  # root
-  def entire_thread_visible_for_user?(tail, user), do: visible_for_user?(tail, user)
+      _ ->
+        visible_for_user?(tail, user)
+    end
+  end
 end