fix(util): 优化跳转参数的空值处理逻辑

将原有的可选链空合并赋值改为条件式展开参数，避免传入无效的空值参数

common/js/util.js

@@ -1452,8 +1452,8 @@ export default {
 			const { wap_url, name, parent, type, appid, page, mobile, image, ...navParams } = link;
 			this.redirectTo(link.wap_url, {
 				...navParams,
-				title: link?.title ?? '',
-				enable_set_title: link?.enable_set_title ? 1 : 0,
+				...(link.title != null && { title: link.title }),
+				...(link.enable_set_title != null && { enable_set_title: link.enable_set_title ? 1 : 0 }),
 				...(link.page_params || {})
 			});
 		}