fix(wms): 修复钢卷操作中物料类型和ID的同步问题

- 在split.vue中确保子卷继承母卷的itemType、itemId和materialType
- 在typing.vue中根据materialType自动设置itemType
- 在actflow.vue中使用coil-selector组件替换手动选择钢卷逻辑

klp-ui/src/views/wms/coil/typing.vue

@@ -587,12 +587,13 @@ export default {
 
     // 复制当前信息到更新表单
     copyFromCurrent() {
+      const itemType = this.currentInfo.materialType === '原料' ? 'raw_material' : 'product';
       this.updateForm = {
         currentCoilNo: this.currentInfo.currentCoilNo,
         team: this.currentInfo.team,
         materialType: this.currentInfo.materialType,
         // 不复制 itemType 和 itemId，让它们由 materialType 自动决定
-        itemType: null,
+        itemType,
         itemId: null,
         grossWeight: parseFloat(this.currentInfo.grossWeight) || null,
         netWeight: parseFloat(this.currentInfo.netWeight) || null,