fix: 修复svipObj可能为undefined导致的错误

使用可选链操作符安全访问svipObj的属性，避免当svipObj为undefined时访问right_type和select_type属性报错

src/views/components/giftRecord/confirmLayer.vue

@@ -107,8 +107,8 @@
           task_id: this.task_id || null,
           create_user: this.cser_name,
           rule: rule,
-          right_type: this.svipObj.right_type || '',
-          select_type: this.svipObj.select_type || ''
+          right_type: this.svipObj?.right_type || '',
+          select_type: this.svipObj?.select_type || ''
         }
         giftBagApply(data).then(res => {
           this.loading = false