fix another ui bug of calendar
fix another ui bug of calendar

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