feat(entryexit): 添加资金类型字段区分保证金账户

- 在银行流水导入功能中新增cash_type字段
- 根据出入金方向自动设置账户类型为追保账户或初保账户
- 入金时设置为追保账户，出金时设置为初保账户

YLErpWeb/Controllers/entryexitController.cs

@@ -595,6 +595,7 @@ namespace YLErp.Web.Controllers
                         BankFlowId = flow.flowId,
                         SerialNumber = flow.flowId,
                         OpenBankCard = flow.counterpartyAccount,
+                        cash_type = direction == "入金" ? "追保账户" : "初保账户",
                         Comments = $"银行流水导入 | 对方账号:{flow.counterpartyAccount} | 对方户名:{flow.counterpartyName} | 用途:{flow.useDescribe}"
                     };