range selection lost on adding section break, if clef change is there

Issue type

UX/Interaction bug (incorrect behaviour)

Description with steps to reproduce

1. select range selection, which end in place of clef change
2. add section break
3. see - range selection is lost, clef in next measure is selected instead

Supporting files, videos and screenshots

https://github.com/user-attachments/assets/081c4cd0-905f-4501-b8dd-1329cc5e13fc

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

master nightly

Regression

Yes, this used to work in a previous version of MuseScore 4.x

Operating system

Linux Mint (Ubuntu 22.04)

Additional context

No metter, if courtesy clef is on, or off.

Regression:
Works in 4.0.2
Doesnt work in 4.1.0

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

Reproduce the steps in the master nightly build on Linux Mint, then compare the behavior with MuseScore 4.0.2, where the issue did not occur. The work is done when a range ending at a clef change remains selected after adding a section break, regardless of whether courtesy clef is enabled.