Fix scheduler role check.

backend/src/Squidex.Domain.Apps.Entities/Contents/ContentSchedulerGrain.cs

@@ -8,6 +8,7 @@
 using System;
 using System.Threading;
 using System.Threading.Tasks;
+using Newtonsoft.Json.Bson;
 using NodaTime;
 using Orleans;
 using Orleans.Runtime;
@@ -77,7 +78,9 @@ namespace Squidex.Domain.Apps.Entities.Contents
 
                         if (job != null)
                         {
-                            var command = new ChangeContentStatus { ContentId = content.Id, Status = job.Status, Actor = job.ScheduledBy, JobId = job.Id };
+                            var command = new ChangeContentStatus { ContentId = content.Id, Status = job.Status, JobId = job.Id };
+
+                            command.Actor = job.ScheduledBy;
 
                             await commandBus.PublishAsync(command);
                         }

backend/src/Squidex.Domain.Apps.Entities/Contents/DynamicContentWorkflow.cs

@@ -105,7 +105,7 @@ namespace Squidex.Domain.Apps.Entities.Contents
 
         private bool IsTrue(WorkflowCondition condition, NamedContentData data, ClaimsPrincipal user)
         {
-            if (condition?.Roles != null)
+            if (condition?.Roles != null && user != null)
             {
                 if (!user.Claims.Any(x => x.Type == ClaimTypes.Role && condition.Roles.Contains(x.Value)))
                 {