修复clickhouse批量插入失败问题

修复使用clickhouse.client 7.2.2驱动进行批量插入时失败问题一=

Providers/FreeSql.Provider.ClickHouse/Curd/ClickHouseInsert.cs

@@ -85,6 +85,7 @@ namespace FreeSql.ClickHouse.Curd
                            BatchSize = _source.Count
                        })
                 {
+                    await bulkCopyInterface.InitAsync();
                     await bulkCopyInterface.WriteToServerAsync(data, default);
                 }
             }