added aria-labelledby to div with region role. fixes MUWM-2609
added aria-labelledby to div with region role. fixes MUWM-2609

uw-it-aca/myuw,fanglinfang/myuw,uw-it-aca/myuw,fanglinfang/myuw,uw-it-aca/myuw,fanglinfang/myuw,uw-it-aca/myuw