make upload work with IE again
make upload work with IE again

pollopolea/core,michaelletzgus/nextcloud-server,Ardinis/server,pixelipo/server,Ardinis/server,bluelml/core,xx621998xx/server,andreas-p/nextcloud-server,lrytz/core,andreas-p/nextcloud-server,lrytz/core,owncloud/core,cernbox/core,whitekiba/server,whitekiba/server,pixelipo/server,michaelletzgus/nextcloud-server,michaelletzgus/nextcloud-server,pollopolea/core,endsguy/server,jbicha/server,cernbox/core,pmattern/server,endsguy/server,lrytz/core,Ardinis/server,michaelletzgus/nextcloud-server,IljaN/core,endsguy/server,andreas-p/nextcloud-server,jbicha/server,pixelipo/server,bluelml/core,owncloud/core,jbicha/server,Ardinis/server,andreas-p/nextcloud-server,endsguy/server,IljaN/core,whitekiba/server,whitekiba/server,bluelml/core,pollopolea/core,bluelml/core,IljaN/core,owncloud/core,xx621998xx/server,lrytz/core,xx621998xx/server,nextcloud/server,andreas-p/nextcloud-server,nextcloud/server,cernbox/core,pixelipo/server,lrytz/core,sharidas/core,IljaN/core,xx621998xx/server,cernbox/core,whitekiba/server,owncloud/core,jbicha/server,pmattern/server,nextcloud/server,sharidas/core,nextcloud/server,xx621998xx/server,pmattern/server,pmattern/server,pixelipo/server,sharidas/core,pollopolea/core,sharidas/core,phil-davis/core,owncloud/core,pollopolea/core,cernbox/core,endsguy/server,bluelml/core,IljaN/core,Ardinis/server,sharidas/core,pmattern/server,jbicha/server