feat(auditlog): per-script-execution correlation id on sync audit rows

tests/ScadaLink.SiteRuntime.Tests/Scripts/DatabaseCachedWriteEmissionTests.cs

@@ -47,6 +47,9 @@ public class DatabaseCachedWriteEmissionTests
             gateway,
             InstanceName,
             NullLogger.Instance,
+            // Audit Log #23: execution-wide correlation id. Cached rows keep
+            // CorrelationId = TrackedOperationId, so any value works here.
+            Guid.NewGuid(),
             siteId: SiteId,
             sourceScript: SourceScript,
             cachedForwarder: forwarder);