Avoid fetching Projects/Jobsets just to get the name column

In particular, doing a 'select * from Jobsets where …' must be avoided, because the 'errormsg' column can be very big.

Created by  Eelco Dolstra  on August 13, 2019
6HWIUOSURE7QRA7AUY2Y6CSNWYV36CAXCZ6I6QU24U7GBZ3ODD5AC
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