Epic #93119: Bootstrap v5 migration
Default badge has no background color anymore
.badge without defining the background color with
bg- (see: https://getbootstrap.com/docs/5.0/components/badge/), the badge has no background color anymore. This currently just works because for non "default" badges (e.g. badge-danger) because TYPO3 defines a custom background for these classes in
Build/Sources/Sass/typo3/_element_badges.scss. So either add the "default" case here or directly switch to use the
bg- classes through the core.
See e.g. the open documents badge in the toolbar: