bug: [ionic-vue] The back button disappears when changing the page component class during page jump

[xxllxhdj]

Prerequisites

• I have read the Contributing Guidelines.
• I agree to follow the Code of Conduct.
• I have searched for existing issues that already report this problem, without success.

Ionic Framework Version

v8.x

Current Behavior

The back button disappears when changing the page component style during page jump

Expected Behavior

Back button still displayed

Steps to Reproduce

1. start the following project
2. click [Page 1]

Code Reproduction URL

https://github.com/xxllxhdj/ionic-vue-router-issue

Ionic Info

@ionic/vue 8.3.0
@ionic/vue-router 8.3.0

Additional Information

No response