refactor(oa): 优化 OA 模块代码结构

- 银行管理：将 BankController、BankDao、BankService 移至各自独立的包中
- 数据范围：将 DataScopeController移至独立包中
- 企业信息：将 EnterpriseController、EnterpriseEmployeeManager、EnterpriseService 移至各自独立的包中
- 发票管理：将 InvoiceController、InvoiceDao、InvoiceService 移至各自独立的包中
- 更新相关 XML 文件中的命名空间

smart-admin-api-java17-springboot3/sa-admin/src/main/resources/mapper/business/oa/bank/BankMapper.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
-<mapper namespace="net.lab1024.sa.admin.module.business.oa.bank.BankDao">
+<mapper namespace="net.lab1024.sa.admin.module.business.oa.bank.dao.BankDao">
     <update id="deleteBank">
         UPDATE t_oa_bank
         SET deleted_flag = #{deletedFlag}

smart-admin-api-java17-springboot3/sa-admin/src/main/resources/mapper/business/oa/invoice/InvoiceMapper.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
-<mapper namespace="net.lab1024.sa.admin.module.business.oa.invoice.InvoiceDao">
+<mapper namespace="net.lab1024.sa.admin.module.business.oa.invoice.dao.InvoiceDao">
     <update id="deleteInvoice">
         UPDATE t_oa_invoice
         SET deleted_flag = #{deletedFlag}