We make the class DisplayNameRepository use the name service instead of BatchEndpoint. This makes the code simpler and allow to avoid a lot of rpcs (in some occasions) when fetching display names. closes odoo/odoo#124090 Related: odoo/enterprise#42124 Signed-off-by: Rémi Rahir (rar) <rar@odoo.com> Co-authored-by: Mathieu Duckerts-Antoine <dam@odoo.com> Co-authored-by: Lucas Lefevre <lul@odoo.com>