ICE-9261 - Fixed operand typo.

git-svn-id: http://anonsvn.icesoft.org/repo/icefaces3/trunk/icefaces@35533 1de00972-ac04-4911-a46b-06793c8d78d9
ICE-8694 - Use ui.item parent when we've confirmed that our reorder drop is within the same parent. the drop point referenced by 'this' is unreliable in this context, and ui.item parent is assured to have the correct 'new' drop parent.

git-svn-id: http://anonsvn.icesoft.org/repo/icefaces3/trunk/icefaces@35534 1de00972-ac04-4911-a46b-06793c8d78d9