The issue happened to me all the time, so before I import something I always go through all credits (not just primary artist) and make sure that I add a streaming album with the proper credit. (They can be removed from the library again after importing, if they are not wanted. It’s the same when editing (adding) credits within Roon - they are not found if the artist is not yet in the library and it creates duplicate artists). It’s a PITA but the only solution I could find.
I wrote about one version of this here, and there are links to threads with other variants of the issue:
