refactor: replace QuartzHostedService with QuartzServer and remove unnecessary using

- Replaced `AddQuartzHostedService` with `AddQuartzServer` for better Quartz integration.
- Removed `Microsoft.Extensions.Options` using as it was unused.
- Updated Quartz job naming to remove GUID and simplify identity.
- Minor code cleanup in using statements and regions.

EnvelopeGenerator.Finalizer/Program.cs

@@ -5,8 +5,8 @@ using EnvelopeGenerator.Finalizer.Models;
 using EnvelopeGenerator.Infrastructure;
 using MediatR;
 using Microsoft.EntityFrameworkCore;
-using Microsoft.Extensions.Options;
 using Quartz;
+using Quartz.AspNetCore;
 using Serilog;
 
 // Load Serilog from appsettings.json
@@ -43,10 +43,10 @@ try
     builder.Services.AddSwaggerGen();
     #endregion
 
-    #region Worker
+    #region AQuartz
     builder.Services.AddQuartz(q =>
     {
-        var name = $"{typeof(Worker).FullName}-{Guid.NewGuid():N}";
+        var name = $"{typeof(Worker).FullName}";
         var jobKey = new JobKey(name);
         q.AddJob<Worker>(opts => opts.WithIdentity(jobKey));
 
@@ -63,9 +63,9 @@ try
             .WithCronSchedule(expression));
     });
 
-    builder.Services.AddQuartzHostedService(opt =>
+    builder.Services.AddQuartzServer(options =>
     {
-        opt.WaitForJobsToComplete = true;
+        options.WaitForJobsToComplete = true;
     });
     #endregion