[Bug]: iOS 26.1 跳转flutter页面卡死在当前页面

### 请描述遇到的问题，以及您所期望的正确的结果

点击跳转Flutter 页面时候 APP卡死 系统：iOS 26.1 机型：iPhone 17 Pro

### 请说明如何操作会遇到上述问题

_No response_

### 在下面填入关键复现代码

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### 复现的平台

iOS

### Flutter SDK版本

Flutter 3.32.4 Dart 3.8.1 • DevTools 2.45.1

### FlutterBoost版本

4.6.5

### 是否延迟初始化FlutterBoost

Yes

### 解决方案

暂无

No files, tests, or reproduction code are named. Start by reproducing navigation from the native app to a Flutter page on iOS 26.1 with Flutter 3.32.4, FlutterBoost 4.6.5, and delayed initialization; done means the app no longer freezes on the current page during that navigation.

Written by the indexing model from the issue text.