[Bug Report][3.6.10] VSpeedDial content-class prop doesn't work

[aloiseau17]

Environment

Vuetify Version: 3.6.10
Vue Version: 3.4.30
Browsers: Chrome 126.0.0.0
OS: Mac OS 10.15.7

Steps to reproduce

Add content-class="my-custom-class" prop to v-speed-dial

Expected Behavior

VSpeedDial content should has my-custom-class.

Actual Behavior

VSpeedDial has v-overlay__content v-speed-dial__content v-speed-dial__content--bottom-center

Reproduction Link

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

Other comments

In /src/components/VSpeedDial/VSpeedDial.tsx we can see contentClass is VMenu props. VSpeedDial doesn't have its own contentClass.
Furthermore VSpeedDial merges its location props into VMenu contentClass.