admin settings: fix LDAP settings header layout
admin settings: fix LDAP settings header layout

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