Unable to write notes on multi-measure rests

[zacjansheski]

Issue type

UX/Interaction bug (incorrect behaviour)

Description with steps to reproduce

1. In note-input mode, try to write a note on a MM rest by clicking it

Works as expected in 4.5.2, does not work in nightly 4.6

Supporting files, videos and screenshots

video1905161745.mp4

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

OS: macOS Sequoia (15.6), Arch.: arm64, MuseScore Studio version (64-bit): 4.6.0-252580405, revision: github-musescore-musescore-3a332c5

Regression

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

Operating system

MacOS15

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

[prodoelmit]

@mike-spa introduced this bug in 01cf660 which is part of #29804

This check breaks it for note input:

&& !toMeasure(mb)->isMMRest()

[mike-spa]

Please see #29887 where this is probably already fixed