🐛 fix lost variables when update definition

src/Passingwind.Abp.ElsaModule.Application.Contracts/WorkflowDefinitions/WorkflowDefinitionCreateOrUpdateDto.cs

@@ -29,7 +29,5 @@ public class WorkflowDefinitionCreateOrUpdateDto
 
     public WorkflowPersistenceBehavior PersistenceBehavior { get; set; } = WorkflowPersistenceBehavior.WorkflowBurst;
 
-    public WorkflowContextOptions ContextOptions { get; set; }
-
-    public Dictionary<string, object> Variables { get; set; }
+    public WorkflowContextOptions ContextOptions { get; set; } 
 }

src/Passingwind.Abp.ElsaModule.Application.Contracts/WorkflowDefinitions/WorkflowDefinitionDto.cs

@@ -33,7 +33,5 @@ public class WorkflowDefinitionDto : AuditedEntityDto<Guid>
 
     public WorkflowContextOptions ContextOptions { get; set; }
 
-    public Dictionary<string, object> Variables { get; set; }
-
     public Dictionary<string, object> CustomAttributes { get; set; }
 }

src/Passingwind.Abp.ElsaModule.Application.Contracts/WorkflowDefinitions/WorkflowDefinitionVersionCreateOrUpdateDto.cs

@@ -7,11 +7,16 @@ namespace Passingwind.Abp.ElsaModule.WorkflowDefinitions;
 public class WorkflowDefinitionVersionCreateOrUpdateDto
 {
     [Required]
-    public WorkflowDefinitionCreateOrUpdateDto Definition { get; set; }
+    public WorkflowDefinitionDto Definition { get; set; }
 
     public List<ActivityCreateOrUpdateDto> Activities { get; set; }
 
     public List<ActivityConnectionCreateDto> Connections { get; set; }
 
     public bool IsPublished { get; set; }
+
+    public class WorkflowDefinitionDto : WorkflowDefinitionCreateOrUpdateDto
+    {
+        public Dictionary<string, object> Variables { get; set; }
+    }
 }

src/Passingwind.Abp.ElsaModule.Application/WorkflowDefinitions/WorkflowDefinitionAppService.cs

@@ -369,7 +369,7 @@ public virtual async Task<WorkflowDefinitionDto> UpdateDefinitionAsync(Guid id,
                input.Tag,
                input.PersistenceBehavior,
                input.ContextOptions,
-               input.Variables,
+               entity.Variables,
                entity.CustomAttributes);
 
         // check name