When Equipping a cape onto a skin from a skin pack, the skin icon renders the cape that your character is wearing

When Equipping a cape onto a skin from a skin pack, the skin icon renders the cape that your character is wearing. How to reproduce

1: equip a skin that you own in the marketplace

2: equip a cape any cape

3: save your character

4: look at the skin icon that you equipped & the cape will render on the icon