Allow to refresh instance outbox when they accept subscription

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

priv/repo/migrations/20200901101307_fix_relay_visibility.exs

@@ -0,0 +1,19 @@
+defmodule Mobilizon.Storage.Repo.Migrations.FixRelayVisibility do
+  use Ecto.Migration
+  alias Mobilizon.Actors.Actor
+  alias Mobilizon.Storage.Repo
+  import Ecto.Query
+
+  def up do
+    Actor
+    |> where(preferred_username: "relay")
+    |> where(type: "Application")
+    |> where([a], is_nil(a.domain))
+    |> update(set: [visibility: "public"])
+    |> Repo.update_all([])
+  end
+
+  def down do
+    IO.puts("Not changing Relay visibility back")
+  end
+end