[MU4 Issue] Corrupting a score with duplets, time sigs and measure splitting

[Fristover]

Describe the bug Using tuplets (specifically a duplet here), key signatures and measure splitting can corrupt a score

To Reproduce Steps to reproduce the behavior: (or see attached video)

1. Create a 12/8 score with 2 or more staves (a piano will do)
2. Add something like a 2/4 in the second bar
3. Dot the last quarter of measure 1 and create a duplet in one staff
4. Select the first rest of the duplet and go to tools -> measures -> split measure before selected note/rest, you will see an extra eight rest in the rest of the staves
5. delete the duplet, you'll see 3 eight rests in that staff and 4 in all the rest

Expected behavior Not corrupting (lol) and respecting whatever the value should be, 3 eights in this case

Screenshots

https://user-images.githubusercontent.com/68985619/210188627-b341e8af-928e-4842-945c-e4c8c9794dc3.mp4

Platform information

• OS: Windows 11

Additional context Didn't try with other cases but I guess it happens in more situations.

[RomanPudashkin]

fixed in https://github.com/musescore/MuseScore/pull/15380

@Fristover could you please confirm using the nightly build of version 4.0.1? It will be available tomorrow: https://ftp.osuosl.org/pub/musescore-nightlies

Thank you!

[Fristover]

Just tested it again on the latest nightly, can't reproduce it anymore so it's fixed :D