fix generateEventOutput for calendar hook
fix generateEventOutput for calendar hook

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