Trill lines applied from palettes have no line when applied via list selection

Description edited by @mathesoncalum - this issue initially outlined two problems; one severe regression relating to a "sticky selection" of trills (now resolved here) and the other relating to the length of trills applied from palettes (outlined below).

Issue type

UX/Interaction bug (incorrect behaviour)

Description with steps to reproduce

1. Add a note in two different staves
2. Select the two notes
3. Click the Trill line ornament from the palette.

Expected: the notes have a tr over them with a wiggly line (as is the case for a range selection).
Actual behaviour: the notes have a tr, but no wiggly line.

Supporting files, videos and screenshots

https://github.com/user-attachments/assets/913462b2-5867-41ec-9893-4efc3b7eea7d

In which versions of MuseScore Studio is this issue present?

OS: macOS Ventura (13.6.3), Arch.: arm64, MuseScore Studio version (64-bit): 4.7.3-260608135, revision: github-musescore-musescore-cf9860c

Regression

I was unable to check

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