Be able to assign a user to Anonymous ratings and judgements

[epugh]

Is your feature request related to a problem? Please describe.
some folks have lots of ratings that are generated before we tracked user id's... Let's assign a user to those...

Describe the solution you'd like
Open a book, and pick the user for the aonymous ratings and any linked cases..

Describe alternatives you've considered
A clear and concise description of any alternative solutions or features you've considered.

Additional context
Add any other context or screenshots about the feature request here.