[Bug Report][3.0.0-beta.6] array.at() is undefined

[shaydoc]

Environment

Vuetify Version: 3.0.0-beta.6 Vue Version: 3.2.1 Browsers: Safari OS: Mac OS 10.15.7

Steps to reproduce

Open the Form Dialog and notice z-index is broken on the dropdown menu's

Expected Behavior

Expected Dropdown to be at a higher z-index than the Dialogq

Actual Behavior

Dropdown is behind the Overlay z-index

Reproduction Link

https://next.vuetifyjs.com/en/components/dialogs/

Other comments

try the form dialog here https://next.vuetifyjs.com/en/components/dialogs/

open the dropdown notices the z-index is behind the dialog

error in console: TypeError: Kc.at is not a function. (In 'Kc.at(-1)', 'Kc.at' is undefined) —

[KaelWD]

Old browsers will need polyfills

https://caniuse.com/mdn-javascript_builtins_array_at