[MU4 Issue] Part name on Mixer doesn't change

[jessjwilliamson]

Describe the bug When editing the part name from the Instruments panel, it doesn't change the name on the mixer either.

https://user-images.githubusercontent.com/71656189/141502466-3a4bcbf7-7693-4274-9229-9cf013434bf8.mp4

Desktop (please complete the following information):

• OS: Windows and MacOS

[HemantAntony]

I have a solution to this issue. But I have no idea why it works. It just works. Maybe this can be a temporary solution?

[Jojo-Schmitz]

Submit it and we'll see?

[abariska]

Also doesn't change in Part name in opened part tab