Restricted embedding of relationships where applicable (statuses / notifications / accounts rendering).

Added support for :skip_notifications for accounts listing (index.json).
Adjusted tests.

lib/mix/tasks/pleroma/benchmark.ex

@@ -67,8 +67,7 @@ defmodule Mix.Tasks.Pleroma.Benchmark do
           Pleroma.Web.MastodonAPI.StatusView.render("index.json", %{
             activities: activities,
             for: user,
-            as: :activity,
-            skip_relationships: true
+            as: :activity
           })
         end
       },