Describe the bug
The skin Editor in the Library changes and widens the pixels in some areas.

To Reproduce
Steps to reproduce the behavior:

1. Go to 'The MCA player creation screen that appears with every new world'
2. Select Clothes
3. Open Library (Sign In)
4. Select Editor
5. Upload a skin file made for Wide Skins
6. Click Create Clothing

You can view my example of the issue by comparing the images below

Skin File I Uploaded

After I Uploaded

Version
7.5.21, 1.20.1, Fabric