Start and shutdown quartz asynchronously

framework/src/Volo.Abp.Quartz/Volo/Abp/Quartz/AbpQuartzModule.cs

@@ -22,13 +22,13 @@ namespace Volo.Abp.Quartz
         {
             _scheduler = context.ServiceProvider.GetService<IScheduler>();
             _scheduler.JobFactory = context.ServiceProvider.GetService<IJobFactory>();
-            _scheduler.Start();
+            AsyncHelper.RunSync(() => _scheduler.Start());
         }
 
         public override void OnApplicationShutdown(ApplicationShutdownContext context)
         {
             //TODO: ABP may provide two methods for application shutdown: OnPreApplicationShutdown & OnApplicationShutdown
-            _scheduler.Shutdown();
+            AsyncHelper.RunSync(() => _scheduler.Shutdown());
         }
     }
 }