feat: 添加列变更事件处理函数到包装材料组件

src/views/produce/components/feeding/components/packingBom.vue

@@ -11,6 +11,7 @@
       :needPage="false"
       :columns="columns"
       :datasource="arrList"
+      @columns-change="handleColumnChange"
       class="packing-bom-table time-form"
       max-height="600"
       :cache-key="cacheKeyUrl"