Make opts optional in Pleroma.Notification.for_user_query/2

lib/pleroma/notification.ex

@@ -33,7 +33,7 @@ def changeset(%Notification{} = notification, attrs) do
     |> cast(attrs, [:seen])
   end
 
-  def for_user_query(user, opts) do
+  def for_user_query(user, opts \\ []) do
     query =
       Notification
       |> where(user_id: ^user.id)