fix(EnamellingMachineStatus): 修复表格列排序及更新时间字段

- 为总箱数列添加排序功能
- 将更新时间字段从update_time改为last_wms_time以匹配后端数据

src/views/plan/EnamellingMachineStatus.vue

@@ -110,6 +110,7 @@
           prop="total_number" 
           label="总箱数" 
           width="100" 
+          sortable
         >
           <template #default="scope">
             {{ scope.row.total_number || '-' }}
@@ -137,12 +138,12 @@
         </el-table-column>
 
         <el-table-column 
-          prop="update_time" 
+          prop="last_wms_time" 
           label="更新时间" 
           width="180" 
         >
           <template #default="scope">
-            {{ formatDateTime(scope.row.update_time) }}
+            {{ formatDateTime(scope.row.last_wms_time) }}
           </template>
         </el-table-column>