fix(wms): 修复currentTab默认值及仓库ID变更时获取材料逻辑

修复currentTab默认值从空字符串改为undefined，避免潜在的类型问题
调整仓库ID变更时的逻辑，确保总是触发getMaterialCoil

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

@@ -360,7 +360,7 @@ export default {
         if (newVal.length > 0) {
           // this.materialQueryParams.warehouseId = newVal[0]?.value || ''
           // 设置currentTab为第一个tab的value
-          this.currentTab = newVal[0]?.value || ''
+          this.currentTab = newVal[0]?.value || undefined
         }
       },
       immediate: true
@@ -369,8 +369,8 @@ export default {
       handler(newVal) {
         if (newVal) {
           this.materialQueryParams.warehouseId = newVal
-          this.getMaterialCoil()
         }
+        this.getMaterialCoil()
       },
       immediate: true
     }