Change CascadeDeleteTiming and DeleteOrphansTiming in AbpDbContext constructor.

framework/src/Volo.Abp.EntityFrameworkCore/Volo/Abp/EntityFrameworkCore/AbpDbContext.cs

@@ -81,6 +81,9 @@ namespace Volo.Abp.EntityFrameworkCore
         protected AbpDbContext(DbContextOptions<TDbContext> options)
             : base(options)
         {
+            ChangeTracker.CascadeDeleteTiming = CascadeTiming.OnSaveChanges; 
+            ChangeTracker.DeleteOrphansTiming = CascadeTiming.OnSaveChanges;
+                            
             GuidGenerator = SimpleGuidGenerator.Instance;
             EntityChangeEventHelper = NullEntityChangeEventHelper.Instance;
             EntityHistoryHelper = NullEntityHistoryHelper.Instance;

framework/src/Volo.Abp.EntityFrameworkCore/Volo/Abp/Uow/EntityFrameworkCore/UnitOfWorkDbContextProvider.cs

@@ -61,8 +61,6 @@ namespace Volo.Abp.Uow.EntityFrameworkCore
                     dbContext.Database.SetCommandTimeout(unitOfWork.Options.Timeout.Value.TotalSeconds.To<int>());
                 }
 
-                dbContext.ChangeTracker.CascadeDeleteTiming = CascadeTiming.OnSaveChanges;
-                dbContext.ChangeTracker.DeleteOrphansTiming = CascadeTiming.OnSaveChanges;
                 return dbContext;
             }
         }