PURPOSE Improve registration flow SPECIFICATIONS Followup of 2b5c0b41b20c8a73406fb71fa4a653a6867deac2 : better display of registration complete page, notably event (not a link, simply in muted) and add some anchors to ease inheriting module. MIGRATION / UDPATE Updated template: website_event.registration_complete LINKS PR #55325 X-original-commit: 93aacc5d5ea3de380d7979a6d435371b6fc38bdd