Adds a button on the player’s profile that opens the camera or photo library, whichever they
prefer.
The native action sheet for changing a PixelGames profile photo.
On iOS, the system prompt appears once. If declined, PixelGames can only ask again by sending
the player to Settings → PixelGames → Camera. On Android, the runtime permission dialog
can reappear on the next attempt, until the player checks “Don’t ask again”.
