[Bug Report][3.6.8] Custom border classes are not generated

[simionato-mobisec]

Environment

Vuetify Version: 3.6.8
Vue Version: 3.4.27
Browsers: Firefox 126.0
OS: Ubuntu undefined

Steps to reproduce

1. Create a custom theme.
2. Add a new color called "test".
3. Try the automatically generated class called "border-test".

Expected Behavior

The div's border where the class is used should change.

Actual Behavior

The div's border where the class is used doesn't change.

Reproduction Link

https://play.vuetifyjs.com/#...

Other comments

The other generated classes like "bg-test" work.

[modos]

you must set a width for border, for example use border-xl

demo:
https://play.vuetifyjs.com/#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

[simionato-mobisec]

you must set a width for border, for example use border-xl

demo: https://play.vuetifyjs.com/#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

So I guess the example here is wrong (?)