Staff spacing changes unexpectedly when a slur is modified #35157

Issue type

Engraving bug (incorrect score rendering)

Description with steps to reproduce

1. Click on a slur
2. Edit the curve of the slur by dragging the square in the middle.
3. Staff spacing increases as the mouse moves.

I'm able to work around this by editing page settings and changing the staff spacing.

Supporting files, videos and screenshots

In which versions of MuseScore Studio is this issue present?

4.7.4.260706075

Regression

I was unable to check

Operating system

Windows 11 64-bit

Additional context

No response

Checklist

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