[Bug Report][3.6.7] Vertical VDivider missing when using `length` prop

[J-Sek]

Environment

Vuetify Version: 3.6.7 Last working version: 3.6.6 Vue Version: 3.4.27 Browsers: Chrome 125.0.0.0 OS: Linux x86_64

Steps to reproduce

Place <v-divider vertical> with align-self-center class and custom length in flexbox container.

Expected Behavior

VDivider should take specified height from length prop.

Actual Behavior

VDivider has effective height of 0px.

Reproduction Link

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

Other comments

Regression after #19828