Added confirmed work states to the BeyondFacts Lab (#1182)

app/Tests/Serialization/JsonTestRoots.cs

@@ -61,10 +61,11 @@ public static partial class JsonTestRoots
         yield return Case(new(typeof(IReadOnlyList<string>), SqliteProvenanceStoreClientImplementation.JSON_OPTIONS));
         yield return Case(new(typeof(List<string>), SqliteProvenanceStoreClientImplementation.JSON_OPTIONS));
 
-        // The preparations of the BeyondFacts Lab, their forms and materials, and the preparation selected last:
+        // The preparations of the BeyondFacts Lab, their forms, materials, and work states, and the preparation selected last:
         yield return Case(new(typeof(BflProject), BeyondFactsLabJson.PERSISTENCE));
         yield return Case(new(typeof(BflStepFormData), BeyondFactsLabJson.PERSISTENCE));
         yield return Case(new(typeof(BflMaterial), BeyondFactsLabJson.PERSISTENCE));
+        yield return Case(new(typeof(BflWorkState), BeyondFactsLabJson.PERSISTENCE));
         yield return Case(new(typeof(Guid?), BeyondFactsLabJson.PERSISTENCE), "selected preparation");
     }