feat: S2 notification badge (#7930)
* initialize notification badge
* fix width in different locales
* fix lint
* update lock file
* fix story
* updates fromr review
* fix lint
* fix text color in light mode + forced colors
* fix VO, rename isEmpty to isIndicatorOnly
* remove extra space
* fix VO
* ensure value is integer
* update stories
* fix aria label
* small change
* update stories
