No cancelled key signature when changing custom key signature to C major / A minor

[kyeon-go]

Issue type

Engraving bug (incorrect score rendering)

Bug description

Naturals doesn't show up even changing custom key signature to C major / A minor

Steps to reproduce

1. Create any custom key signature
2. Drag it some measure
3. Drag C major / A minor key signature to next measure
4. You can see no signs!

Screenshots/Screen recordings

MuseScore Version

4.1.1.232071203 (revision e4d1ddf)

Regression

No.

Operating system

Windows 11 (22621.2428)

Additional context

No response

[sammik]

see #25616