优化选择数据逻辑，仅保留具有子项的行以便于删除操作

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昨天 fa4a8a332b2b60b7b94b1f763091c1daf8927710

 src/views/salesManagement/receiptPaymentHistory/index.vue

@@ -54,7 +54,6 @@
          <el-button
            type="primary"
            link
            size="small"
            @click="handleDelete(row)"
          >
            删除