Line end at system break unhides next system

[derekputnam]

Issue type

Engraving bug (incorrect score rendering)

Bug description

No response

Steps to reproduce

1. blank score with two instruments
2. enable "Hide empty staves within systems" in Style -> Score
3. add system break to first measure
4. on the bottom staff, insert a line spanning the entire first measure

The bottom staff is then unhidden in the second system.

occurs with:

• normal lines
• ottavas
• pedals
• trills and other line ornaments
• text lines including let ring and palm mute

Screenshots/Screen recordings

lines.unhiding.mov

MuseScore Version

4.2

Regression

Yes, this used to work in MuseScore 4.1.1

Operating system

macOS 12.6

Additional context

No response

[Jojo-Schmitz]

Stems from https://musescore.org/en/node/358122 and had apparently been caused by my #19679