Crash after undo part creating and adding some measures (Windows/Linux)

[DmitryArefiev]

Issue type

Crash or freeze

Description with steps to reproduce

1. Open score
2. Open part
3. Undo
4. Select 1st measure
5. Press and hold Insert key

or

1. Open score
2. Open part
3. Undo
4. Insert at end of score: 1 measure (Add>Measures)
5. Insert at end of score: 10 measures
6. Insert at end of score: 1 measure

Supporting files, videos and screenshots

bandicam.2025-03-04.14-52-38-730.mp4

bandicam.2025-03-04.14-53-36-664.mp4

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

4.5/4.6 nightly

Regression

Yes, this works in the latest released version and is broken in the nightly builds

Operating system

Windows 10, LinuxUbuntu

Can't reproduce on macOS

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