LDAP: improve and cleanup settings JS
LDAP: improve and cleanup settings JS

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