Modified stem length changes after Saving-Loading on small staves

[LupusCaeruleus]

Issue type

Engraving bug (incorrect score rendering)

Description with steps to reproduce

1. Create a score with small staves.
2. Enter a note on a small stave, then change its stem length in the Properties panel.
3. Save the score, then close and reload it.
4. Notice the stem length has changed.

Expected: The stem length should remain the same as when the score was saved.

Supporting files, videos and screenshots

https://github.com/user-attachments/assets/e1a777b7-9cb8-43e0-aee4-b3f7acba781b

What is the latest version of MuseScore Studio where this issue is present?

4.4.3-242750503 (latest nightly build), revision: github-musescore-musescore-81203f7

Regression

I was unable to check

Operating system

Windows 11

Additional context

Each time saved, the length of the stem becomes 10/7 (1/Small stave size) of the Length value in the Properties panel.

Checklist

• [X] This report follows the guidelines for reporting bugs and issues
• [X] I have verified that this issue has not been logged before, by searching the issue tracker for similar issues
• [X] I have attached all requested files and information to this report
• [X] I have attempted to identify the root problem as concisely as possible, and have used minimal reproducible examples where possible

[bkunda]

@zacjansheski pls check regression status

[zacjansheski]

Regression occured between 4.3.2 and 4.4.0