fix tests. new product advisories enhancements

src/Registry/StellaOps.Registry.TokenService/Admin/InMemoryPlanRuleStore.cs

@@ -198,6 +198,7 @@ public sealed class InMemoryPlanRuleStore : IPlanRuleStore
 
         var result = query
             .OrderByDescending(e => e.Timestamp)
+            .ThenBy(e => e.Id, StringComparer.Ordinal)
             .Skip((page - 1) * pageSize)
             .Take(pageSize)
             .ToList();