BDropdownForm formClass doesn't work with string and Array<string> value #2633
Description
Describe the bug
BDropdownForm formClass prop only accepts Object way of specifying class in Vue.
<b-dropdown-form :form-class="{ 'bg-warning': true }"
>Only this bg-warning works</b-dropdown-form
>
<b-dropdown-form :form-class="['bg-warning']"
>This bg-warning doesn't work</b-dropdown-form
>
<b-dropdown-form form-class="bg-warning"
>This bg-warning doesn't work</b-dropdown-form
>
Reproduction
https://bootstra-vue-next-template-aekt1xrs.stackblitz.io
Used Package Manager
yarn