Text editing shortcut for typing 'z' in dynamics font conflicts with redo shortcut

Issue type

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Description with steps to reproduce

1. Edit some text element
2. While still editing the element, press Cmd+Z to undo
3. While still editing the element, press Cmd+Shift+Z to redo

Expected: redo
Actual: z typed in dynamics font, redo stack lost

Supporting files, videos and screenshots

https://github.com/user-attachments/assets/32f8b205-77f1-4504-8718-3013220804cc

In which versions of MuseScore Studio is this issue present?

Probably all versions of 4 and 5

Regression

Yes, this used to work in MuseScore 3.x and now is broken

Operating system

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

Start by reproducing the issue on macOS and tracing keyboard handling while editing a text element, focusing on the dynamics-font shortcut for typing “z” and the Cmd+Shift+Z redo shortcut. Done means Cmd+Shift+Z performs redo without inserting “z” or losing the redo stack, while Cmd+Z still undoes.