chore: optimize transaction management

Removed redundant config from AdncDbContext.OnConfiguring.
Disabled AutoSavepointsEnabled in UnitOfWork.

Author: AlphaYu

src/Infrastructures/Repository.EfCore/AdncDbContext.cs

@@ -4,19 +4,13 @@ public abstract class AdncDbContext(DbContextOptions options, IEntityInfo entity
 {
     public override Task<int> SaveChangesAsync(CancellationToken cancellationToken = default)
     {
+        //efcore7 support this feature , default is WhenNeeded
+        //Database.AutoTransactionBehavior = AutoTransactionBehavior.WhenNeeded;
         SetAuditFields();
         var result = base.SaveChangesAsync(cancellationToken);
         return result;
     }
 
-    protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
-    {
-        Database.AutoSavepointsEnabled = false;
-        //efcore7 support this feature , default is WhenNeeded
-        //Database.AutoTransactionBehavior = AutoTransactionBehavior.WhenNeeded;
-        //ChangeTracker.QueryTrackingBehavior = QueryTrackingBehavior.NoTracking;
-    }
-
     protected override void OnModelCreating(ModelBuilder modelBuilder)
     {
         entityInfo.OnModelCreating(modelBuilder);

src/Infrastructures/Repository.EfCore/Transaction/UnitOfWork.cs

@@ -19,6 +19,7 @@ public void BeginTransaction(IsolationLevel isolationLevel = IsolationLevel.Read
         }
         else
         {
+            AdncDbContext.Database.AutoSavepointsEnabled = false;
             DbTransaction = GetDbContextTransaction(isolationLevel, distributed);
             logger?.LogDebug("Begin Transaction, transactionId:{transactionId}, IsolationLevel:{IsolationLevel}, Distributed:{Distributed}", DbTransaction.TransactionId, isolationLevel, distributed);
         }