feat: 为划转页面确认按钮添加图标

- 添加 LucideIcons.arrowRightLeft 图标到确认按钮
- 加载状态时自动隐藏图标
- 提升用户体验和视觉识别度

flutter_monisuo/build/web/flutter_bootstrap.js

@@ -37,6 +37,6 @@ _flutter.buildConfig = {"engineRevision":"e4b8dca3f1b4ede4c30371002441c88c12187e
 
 _flutter.loader.load({
   serviceWorkerSettings: {
-    serviceWorkerVersion: "1220207761" /* Flutter's service worker is deprecated and will be removed in a future Flutter release. */
+    serviceWorkerVersion: "2388525436" /* Flutter's service worker is deprecated and will be removed in a future Flutter release. */
   }
 });