Hi @MarcAF,
Good catch! Glad the issue is resolved for you finally. I will have this answer promoted by reposting it. As an Original Poster(You) will not be able to accept your own answer. This is in the attempt to help others looking for a solution for a similar issue.
Starting in FSLogix 2210 (2.9.8361.52326) and later versions, all content stored in following locations is no longer roamed as part of the user profile.
-
%USERPROFILE%\AppData\Local\Packages\Microsoft.AAD.BrokerPlugin_cw5n1h2txyewy
-
%USERPROFILE%\AppData\Local\Packages\Microsoft.Windows.CloudExperienceHost_cw5n1h2txyewy
-
%USERPROFILE%\AppData\Local\Microsoft\TokenBroker
Thanks again for sharing the solution here. Have a good day!