feat(aihitMainSyncer): refactoring+изменение запуска Worker.

PARR.AIHITSyncerWorker/Worker.cs

@@ -17,12 +17,13 @@ namespace PARR.AIHITSyncerWorker
         protected override async Task ExecuteAsync(CancellationToken stoppingToken)
         {
             await aihitSyncer.StartAsync();
+            await Task.Delay(Timeout.Infinite, stoppingToken);
         }
 
 
         public override Task StopAsync(CancellationToken cancellationToken)
         {
-            aihitSyncer.StopAsync().Wait();
+            aihitSyncer.StopAsync();
 
             return base.StopAsync(cancellationToken);
         }