Does anyone happen to know how to change the tab view on firefox android from "grid" to "list" without using the UI meant for that?

Does anyone happen to know how to change the tab view on firefox android from "grid" to "list" without using the UI meant for that?

Is it buried in about:config somewhere? I can't find it. When I try "tab settings" where it's supposed to be controlled, the browser just crashes.

#firefox