Implement ISetDisplayNameBackend in the user backend#1052

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julien-nc wants to merge 2 commits intomainfrom

fix/965/provisioning-display-name

Commits on Mar 3, 2025

make the user backend a ISetDisplayNameBackend one, this fixes incorrect photo in system addressbook vcard and simplifies the provisioning service
julien-nc
committed
fix tests
julien-nc
committed