Cache: also check if the file id is already in the cache during upgrade
Cache: also check if the file id is already in the cache during upgrade

Should solve upgrade issues if only some of the configured storages were migrated previously

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