[Bug]: Last page / Next chapter button on panel has wrong state if last page is small

[dajotim937]

Preflight Checklist

• [X] I have searched the issue tracker for a bug report that matches the one I want to file, without success.

OpenComic Version

1.1.0 (well, I'm using your custom test build for me)

Operating System

Win10, 22H2, build 19045

Steps to reproduce

1. Webtoon with last page smaller than current vertical size of reading area.
2. Webtoon reading view.
3. Click either last page button or click on last page from left side scroll panel

Expected Behavior

Button should change to "next chapter" since there nothing left to scroll (full last page fit into vertical size of reading area)

Actual Behavior

App showing "last page" button like there is something left to scroll. Clicking on it scroll webtoon up a bit, clicking again scroll to the end and changing button to "next chapter".

Error message

No response

Additional Information

No response

Sample file

No response