enables pdf image scaling for CKEditor
enables pdf image scaling for CKEditor

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