public void CreateSelectedUnitSlot(UnitData unitData)
{
GameObject slotGO = Instantiate(unitSelectionSlotPrefab, this.transform);
SelectedUnitSlot selectedUnitSlot = slotGO.GetComponent <SelectedUnitSlot>();
selectedUnitSlot.data = unitData;
selectedUnitSlot.Refresh();
slotGO.transform.SetAsLastSibling();
selectedUnitSlot.OnSlotLeftClickEvent += slot => OnSlotLeftClickEvent(slot);
LayoutRebuilder.ForceRebuildLayoutImmediate(this.GetComponent <RectTransform>());
}
