Draggable: Always clean up iframes. Fixes #8555 - Draggable: iframeFix option leaves iframes in DOM when using a selector.
Draggable: Always clean up iframes. Fixes #8555 - Draggable: iframeFix option leaves iframes in DOM when using a selector.

GrayYoung/jQuery.UI.Extension,GrayYoung/jQuery.UI.Extension