Use the "default icon.tga" when an item's icon is not found
Currently we use it only when the Icon field is empty, otherwise we use the default pink texture.
Also we should do it only once per icon, not every time when we create a new widget.
Currently we use it only when the Icon field is empty, otherwise we use the default pink texture.
Also we should do it only once per icon, not every time when we create a new widget.