How to get any paid face element - for free (using the Royal Mask of the Desert)

This bug actually works only on android, since when you exit the editor on Windows 10, the character is reset if the item is not purchased. On android, the character is not reset. (But you can try the technique on Windows 10 as well reset_skin.mp4)

Summary:

With this bug, you can get any paid face element - for free.

Steps to Reproduce:

1. Create a new character in the skin editor.
2. We go into the face element.
3. Click on the royal desert mask. 
4. Then we select any free face element.
5. Next, select the paid item.
6. Then we click again on the royal mask of the desert.
7. And click is missing. (thus removing the desert mask)
8. Exit the character editor.

Observed Results:

The player will have an item that does not belong to the player.

Expected Results:

The item not belonging to the player will be absent.

Video:

MCPE.mp4