Cache: more efficient detection for existing entries during upgrade
Cache: more efficient detection for existing entries during upgrade

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