Call future batch command delegates for async operations.

Author: medkg15

src/shared/Z.EF.Plus.QueryFuture.Shared/QueryFutureBatch.cs

@@ -313,6 +313,7 @@ public void ExecuteQueries()
 
                     using (command)
                     {
+                        QueryFutureManager.OnBatchExecuting?.Invoke(command);
 #if EF5
                     using (var reader = await command.ExecuteReaderAsync(cancellationToken).ConfigureAwait(false))
                     {
@@ -343,6 +344,7 @@ public void ExecuteQueries()
                             }
                         }
 #endif
+                        QueryFutureManager.OnBatchExecuted?.Invoke(command);
                     }
                 }
                 finally
@@ -724,4 +726,4 @@ public static void SetOracleDevArtDbType(Assembly assembly, DbParameter dbParame
             _SetOracleDevArtDbType(dbParameter, type);
         }
     }
-}
+}