This addresses a bug where users initialize empty sortable lists are
add items dynamically. In this situation refresh() should recognize the
position and orientation of the new items.
Fixes#7498
Closes gh-1381
Fixes#5973 - Resizable: disabled should not have the ui-state-disabled class or aria attribute aria-disabled
Fixes#5974 - Draggable: disabled should not have the ui-state-disabled class or aria attribute aria-disabled
Fixes#6039 - Droppable: disabled should not have ui-state-disabled
This reverts commit 23771d38ba.
Fixes#5973 - Resizable: disabled should not have the ui-state-disabled class or aria attribute aria-disabled
Fixes#5974 - Draggable: disabled should not have the ui-state-disabled class or aria attribute aria-disabled
Fixes#6039 - Droppable : disabled should not have ui-state-disabled