[Feature request] Random wallpaper without duplication

Submitted by ola..@..web.se

Assigned to Eric Koegel

Link to original bug (#13660)

Description

The random wallpaper is a nice feature. I would like a option to make the "random" be "random without duplication" Like shuffle on a music player, it would randomly go through all my images in the folder before starting over again (in a new random order).

Version: 4.12.3