Resizable: Fix top jump with rotated element
Resizable: Fix top jump with rotated element

Fix top jump when resizing a rotated element (90°) using north handle
and exceeding the minmal height (default 10px).

Bug was found using a resizable-rotation-patch:
https://github.com/unlocomqx/jQuery-ui-resizable-rotation-patch

Closes gh-1687

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