fixing topics import (closes #2522)
fixing topics import (closes #2522)

jwinzer/OpenSlides,normanjaeckel/OpenSlides,FinnStutzenstein/OpenSlides,emanuelschuetze/OpenSlides,CatoTH/OpenSlides,OpenSlides/OpenSlides,jwinzer/OpenSlides,ostcar/OpenSlides,jwinzer/OpenSlides,FinnStutzenstein/OpenSlides,boehlke/OpenSlides,emanuelschuetze/OpenSlides,jwinzer/OpenSlides,emanuelschuetze/OpenSlides,tsiegleauq/OpenSlides,boehlke/OpenSlides,ostcar/OpenSlides,emanuelschuetze/OpenSlides,jwinzer/OpenSlides,boehlke/OpenSlides,CatoTH/OpenSlides,normanjaeckel/OpenSlides,CatoTH/OpenSlides,normanjaeckel/OpenSlides,CatoTH/OpenSlides,normanjaeckel/OpenSlides,ostcar/OpenSlides,tsiegleauq/OpenSlides,FinnStutzenstein/OpenSlides,boehlke/OpenSlides,FinnStutzenstein/OpenSlides,OpenSlides/OpenSlides,tsiegleauq/OpenSlides