Bug causing extra element in connected list

[mendelk]

I modified slightly the connected lists demo found on the readme.

Here's my fork. The only difference is that I added the receive event to cancel.

To reproduce the issue, first try dragging an element from list on left to list on right. This should fail, as anticipated.

Then, when dragging last item on list on left upwards (to sort), it introduces an additional element into the list.

[thgreasi]

Canceling on recieve is too late.
This looks like a duplicate of #107.

[mendelk]

And Indeed it is.

Thanks, the code from #107 works here as well.