* Preview instead of navigate when in edit mode.
* Prevent preview of navigated object
* Removed trailing comma
* Observe navigation from tree items instead of mct-tree
* Cleanup of redundant code
* .is-selected -> .is-navigated-object
* Drag-drop edit mode from capture handler. Drag-drop composition from bubble handler. Check composability on drag start
* Show drop hints without being in edit mode.
* Don't serialize objects twice on drag