Update creation of webeossite CRs
As per https://codimd.web.cern.ch/prA1f5CHT2eaOYef33uljw?view
For migrated sites the webeossite CRs should now be created with Spec.LegacyBaseURL.Path
and Spec.LegacyBaseURL.PreserveLegacyUrls
set to true for the websites that want to use the old URL schema
Edited by Joao Esteves Marcal