Nightly: Replace instrument in Instruments panel crashes MS

[zacjansheski]

Issue type

Crash or freeze

Description with steps to reproduce

1. In Nightly build, click "Replace Instrument" in the Instruments panel

Supporting files, videos and screenshots

video1885338304.mp4

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

OS: macOS 14.6, Arch.: arm64, MuseScore Studio version (64-bit): 4.5.0-243100303, revision: github-musescore-musescore-a5e8746

Regression

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

Operating system

All

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