fix(wms): 统一发货单导出逻辑并修复弹窗拦截问题

1. 替换原有的window.open弹窗导出为a标签下载，解决浏览器拦截弹窗的问题
2. 统一使用Date.now()替代new Date().getTime()优化代码
3. 新增释放URL对象的代码避免内存泄漏
4. 调整线圈页面批量移出发货单按钮的显示条件

klp-ui/src/views/wms/coil/panels/base.vue

@@ -103,7 +103,7 @@
         <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
         <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
         <el-button icon="el-icon-download" size="mini" @click="handleNewExport" v-if="showNewExport">导出</el-button>
-        <el-button type="danger" plain icon="el-icon-close" size="mini" :disabled="multiple" :loading="buttonLoading"
+        <el-button type="danger" v-if="showWaybill" plain icon="el-icon-close" size="mini" :disabled="multiple" :loading="buttonLoading"
           @click="handleBatchRemoveFromWaybill">批量移出发货单</el-button>
       </el-form-item>