Make irreversible field default to false in filters

priv/repo/migrations/20190513175809_change_hide_column_in_filter_table.exs

@@ -0,0 +1,9 @@
+defmodule Pleroma.Repo.Migrations.ChangeHideColumnInFilterTable do
+  use Ecto.Migration
+
+  def change do
+    alter table(:filters) do
+      modify :hide, :boolean, default: false
+    end
+  end
+end