public override void CleanUp()
 {
     Debug.Log("Removing quest info display...");
     Hide();
     QuestManager.Instance.OnCurrentMissionQuestUpdated -= OnMissionQuestUpdated;
     QuestManager.Instance.OnCurrentDateQuestUpdated    -= OnDateQuestUpdated;
     _missionQuestUI.CleanUp();
     _dateQuestUI.CleanUp();
     base.CleanUp();
 }