public static ItemUI CreateItemUIElement(string itemName, Sprite itemImage, int itemQuantity, Transform parent)
{
GameObject newItem = Instantiate(GameManager.instance.itemUIPrefab, parent);
ItemUI itemUI = newItem.GetComponent <ItemUI>();
itemUI.ChangeItemImage(itemImage);
itemUI.ChangeItemName(itemName);
itemUI.ChangeItemQuantity(itemQuantity.ToString());
return(itemUI);
}