jQuery Dialog difference between 1.7.2 and 1.8.0

jQuery Dialog difference between 1.7.2 and 1.8.0

There seems to be a change between the way jQuery UI Dialog boxes position is handled between 1.7.2 and 1.8.0.

In 1.7.2, if you position a dialog box to be off screen the browser will have scroll bars and the dialog box will be where you put it. In 1.8.0, if you position a dialog box to be off the screen it puts it on the right most edge of the viewable area of the browser. 

I can see the use case for both, but updating broke some functionality. Is there a way to have 1.8.0 act like 1.7.2. I have to use 1.8.0 because of conflicts that 1.7.2 has with other third party libraries.

1.7.2 functionality:  http://jsbin.com/ojoje5 (notice the scroll bar at the bottom)
1.8.0 functionality:  http://jsbin.com/ojoje5/2

EDIT: I upgraded to 1.8.6 and the problem is still there.

Thanks.