Improve shape metadata update logic

[trungleduc]

Fixes #384

jcad.mp4

Code change

• Shape metadata is updated at the same time as the shape parameters
• Add tests for Undo and Redo function

[github-actions]

👈 Launch a Binder on branch trungleduc/jupytercad/update-schema

[arjxn-py]

I've tested this branch locally & it works seamlessly.
I would also want to suggest a couple of very minor improvements if that's ok.
Thanks a lot @trungleduc

[martinRenou]

Thanks a lot @trungleduc ! And thanks for the review @arjxn-py 🚀