AddPathDataModelUpdates >CaL Copy >If there are more collections/groups > Expanding/collapsing the tree view creates blank space between the tree view and the buttons.

AddPathDataModelUpdates > Login as a user having more than 3 collections/groups or with collections/group collections having more resources. Expand 'My Collection' or 'My Groups'. then collapse them. Blank space is shown between the tree view and the buttons

Go to http://current.dev.curriki.org/xwiki/bin/view/Coll_ashpee/test_9
username : ashpee / password : curriki
Click Copy
Choose a Location For Your Copy dialog window opens up.
Expand 'MY Collection' and then Collapse it.
Blank space is shown below. ( i.e lank space is shown in between the tree view and the buttons).