feat(FinishEnvelopeJob): enhance FinishEnvelopeJob logging for finalized envelopes

- Removed redundant initial info log.
- Added detailed logging after job execution:
  - Logs total finalized envelope count.
  - Logs UUIDs of finalized envelopes when available.
  - Logs success message when no envelopes were finalized.

EnvelopeGenerator.Finalizer/Job/FinishEnvelopeJob.cs

@@ -25,10 +25,6 @@ namespace EnvelopeGenerator.Finalizer.Job
         public async Task Execute(IJobExecutionContext context)
         {
             var cancel = context.CancellationToken;
-            if (_logger.IsEnabled(LogLevel.Information))
-            {
-                _logger.LogInformation("{jobName} running at: {time}", context.JobDetail.Key, DateTimeOffset.Now);
-            }
 
             var envelopes = await _mediator.Send(new ReadEnvelopeQuery()
             {
@@ -40,6 +36,20 @@ namespace EnvelopeGenerator.Finalizer.Job
             {
                 // add sub-steps
             }
+
+            if (envelopes.Any())
+                _logger.LogInformation(
+                    "Job '{JobName}' executed at {Timestamp}. {EnvelopeCount} envelope(s) successfully finalized. UUID(s): {EnvelopeUuids}",
+                    context.JobDetail.Key.Name,
+                    DateTimeOffset.Now,
+                    envelopes.Count(),
+                    string.Join(", ", envelopes.Select(e => e.Uuid))
+                );
+            else
+                _logger.LogInformation("Job '{JobName}' executed successfully at {Timestamp}. No envelopes were finalized.",
+                    context.JobDetail.Key.Name,
+                    DateTimeOffset.Now
+                );
         }
     }
 }