[Users] Stripes in folder and message list

[David]

Thanks to Clawsker it is possible to disable the alternating background 
of rows in the folder and message lists. I'm glad.

Edward Tufte:

> Again, this is a solved problem, with examples in Envisioning 
> Information, chapter 3. Strips are merely bureaucratic or designer 
> chartjunk; good typography can always organize a table, no stripes 
> needed.

https://www.edwardtufte.com/bboard/q-and-a-fetch-msg?msg_id=0001IV 
"Forum: zebra tables and lists"
https://www.edwardtufte.com/tufte/books_ei

See also: https://practicaltypography.com/rules-and-borders.html