[FIX] Keep image insertion window open checkbox not working properly because in order to keep unchecked state, checked attribute needs to be removed, not just have blank value
[FIX] Keep image insertion window open checkbox not working properly because in order to keep unchecked state, checked attribute needs to be removed, not just have blank value

git-svn-id: 84b83dd0f57d36a02bb8202710824ee41d1b7ca0@41629 b456876b-0849-0410-b77d-98878d47e9d5

oregional/tiki,changi67/tiki,changi67/tiki,changi67/tiki,changi67/tiki,oregional/tiki,tikiorg/tiki,tikiorg/tiki,oregional/tiki,tikiorg/tiki,tikiorg/tiki,oregional/tiki,changi67/tiki