Koenig - Lazy-click to edit on mouseup not mousedown
Koenig - Lazy-click to edit on mouseup not mousedown

refs https://github.com/TryGhost/Ghost/issues/9623
- move lazy-click handling to a mouseup handler instead of mousedown in `{{koenig-card}}`
- ensure that we don't trigger edit mode on the initial mouseup after a mousedown event has selected the card

kevinansfield/Ghost-Admin,TryGhost/Ghost-Admin,kevinansfield/Ghost-Admin,TryGhost/Ghost-Admin