untangle different user manager instances, fixes #22770
untangle different user manager instances, fixes #22770

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