"[2 or 4]-bar repetition": with octave (s) increase/decrease: can't see the dotted line

Issue type

Engraving bug (incorrect score rendering)

Description with steps to reproduce

1. Put it "[2 or 4]-bar repetition" in the score
2. Put an octave(s) up/down above it
   Actual result: there is no dotted line indicating the duration of the sign.
   Expected result: this should not happen.

Supporting files, videos and screenshots

https://github.com/user-attachments/assets/b21b8a02-d7e1-4e68-a186-163d2626fbc9

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

OS: Windows 10 Version 2009 or later, Arch.: x86_64, MuseScore Studio version (64-bit): 4.5.2-251141402, revision: github-musescore-musescore-ac9d3bc

Regression

I was unable to check

Operating system

Windows 10

Additional context

Originally reported in #28697

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 issue in MuseScore Studio by placing a 2- or 4-bar repetition marking with an octave marking above or below it, using the attached example as reference. Trace the engraving and rendering path for these markings and verify the dotted duration line is visible when the octave marking is present.