Crash after selecting dynamic handle and pressing any key

[DmitryArefiev]

Issue type

Crash or freeze

Description with steps to reproduce

1. Select dynamic handle
2. Press any key (e.g. down arrow)

(Interesting this doesn't occur in 4.6 if to press left/right arrow but occurs in 4.7 nightly)

Supporting files, videos and screenshots

bandicam.2025-10-02.14-23-57-888.mp4

How it works in 4.5.2:

bandicam.2025-10-02.14-32-35-929.mp4

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

4.7.0-252750315
4.6.0-252750405

Doesn't occur in 4.5.2

Regression

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

Operating system

Windows 10

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