spree/spree — pull request #3085 by huoxito (2013-05-25 05:20:40+00:00)
Title: Use change method to trigger use_billing_address

That should prevent the shipping address form being hidden when the
browser autocompletes the form.

[Fixes 3068]

So I was just able to reproduce that issue using the `change` event to trigger show/hide logic fix it.