HTML entities appear in custom log notes

Steps to reproduce:

1. Create an order.
2. View the order.
3. Add a custom log entry in the 'comment on this order' box, including some "quote" 'symbols'.
4. View the order and your admin comment will include the HTML entities, e.g.

Suggested steps:
Either do not escape these at the time the log is saved, or do not escape them at the time the log is rendered. They have been double escaped.