/// <summary>
/// Removes the given versionable object from the staging area
/// </summary>
/// <param name="controller">The versionable object to remove from the staging area</param>
public void Unstage(VersionController controller)
{
if (stagingArea.Contains(controller))
{
stagingArea.Remove(controller);
controller.HideStagedState();
lastUnstagedObject = controller;
if (unstageTrigger != null)
{
unstageTrigger.Trigger();
}
}
UIController.Instance().UpdateOverlay();
}