Pickup measure beats not "in sync" with Select>More>Same Beat

Issue type

UX/Interaction bug (incorrect behaviour)

Description with steps to reproduce

In 4/4 meter (nominal) with a one beat anacrusis (1/4 actual meter)
it's understood that the first note of the anacrusis is on the 4th beat of the measure.
But MuseScore Studio fails to comprehend that when selecting via Select>More>Same Beat.

NOTE: Perhaps this is related to the logic addressed in: https://github.com/musescore/MuseScore/issues/22080

Steps to replicate:

    • download and open the example score
    • command click the 4th beat in the first full measure
    • choose Select>More>Same Beat

Unexpected result: MuseScore Studio does not select the first note in the anacrusis (i.e. beat 4).
Rather it selects nothing in the anacrusis, as if the anacrusis has no 4th beat.

Unsurprisingly there's a similar, converse error:

    • using the example score
    • command click the 1st beat in the first full measure
    • choose Select>More>Same Beat

Unexpected result: MuseScore Studio selects the first note in the anacrusis.
In other words, the note understood to be on the 4th beat.

Supporting files, videos and screenshots

Here's a score that contains steps to replicate, and has the anacrusis and subsequent measure set up

   https://musescore.com/user/35880724/scores/30346343

In which versions of MuseScore Studio is this issue present?

MS4.6.4 back thru MS3, and perhaps earlier.

Regression

No.

Operating system

macOS 13.7.8

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 opening the linked example score in MuseScore Studio and reproducing both Select > More > Same Beat cases with the one-beat anacrusis. Trace the selection entry point and beat comparison logic. Done means the anacrusis note is selected with beat 4 and not selected with beat 1, matching the reported expectations.