When setting index via setPage of pdfViewController, the page jumped to is not centered.

[wanwanrich]

Describe the bug
In landscape mode，
When setting index via setPage of pdfViewController, the page jumped to is not centered.
When I slide, the page I jump to is centered.

To Reproduce
Steps to reproduce the behaviour:

1. I have two buttons to control the pdf forward and backward。
2. When I use pdfViewController.setPage， the pdf is not centered in window。

Expected behaviour
A clear and concise description of what you expected to happen.

Screenshots
If applicable, add screenshots to help explain your problem.
Right condition：

But i get：

Smartphone (please complete the following information):

• Android sdk verion 34

Additional context
Add any other context about the problem here.
I config the window in landscape mode in inState。

void initState() {
SystemChrome.setPreferredOrientations([
DeviceOrientation.landscapeLeft,
DeviceOrientation.landscapeRight,
]);
}

Also, I config swipeHorizontal as true. And the pageSnap is ture.
PDF pdf = PDF(
fitPolicy: fitPolicy,
pageSnap: true,
swipeHorizontal: true,）