message: fix(footer-nav-group): fix missing rotate feature of chevron
  ### Related Ticket(s)
  Refs
  ### Changelog
  **Changed**
  A fix for missing feature of chevron rotation in the mobile mode of `<dds-footer-nav-group>`.
diff: @import 'carbon-components/scss/globals/scss/vendor/@carbon/elements/scss/import-once/import-once';
  @import 'carbon-components/scss/globals/scss/vendor/@carbon/elements/scss/grid/mixins';
  @import 'carbon-components/scss/globals/scss/vars';
  +@import 'carbon-components/scss/components/accordion/accordion';
  @import 'carbon-components/scss/components/link/link';
  @import '@carbon/ibmdotcom-styles/scss/globals/vars';
  @import '@carbon/ibmdotcom-styles/scss/themes/expressive/tokens';
  display: block;
  }
  +:host(#{$dds-prefix}-footer-nav-group[open]) {
  + @extend .#{$prefix}--accordion__item--active;
  +}
  +
  :host(#{$dds-prefix}-footer-nav-item),
  :host(#{$dds-prefix}-legal-nav-item),
  :host(#{$dds-prefix}-legal-nav-cookie-preferences-placeholder) {
  