Drag/dropping disabled in summary mode after editing a card in IE7

1) Start at https://qa-jac.atlassian.com/secure/GetBoardForIssue.jspa?type=VB&key=GHS-1714#card_GHS-1714
2) Double-click the card to expand it.
3) Edit the issue label and save your changes.
4) The card can no longer be drag/dropped.

Does not repro on Firefox.