Rename meeting superadmin to just admin
Rename meeting superadmin to just admin

normanjaeckel/OpenSlides,normanjaeckel/OpenSlides,tsiegleauq/OpenSlides,ostcar/OpenSlides,OpenSlides/OpenSlides,tsiegleauq/OpenSlides,ostcar/OpenSlides,OpenSlides/OpenSlides,ostcar/OpenSlides,normanjaeckel/OpenSlides,normanjaeckel/OpenSlides,tsiegleauq/OpenSlides