Use provided mimetype on open. Fix #4696
Use provided mimetype on open. Fix #4696

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