This was originally fixed in 8ecccddf1c but for some reason
the merge to main didn't include those changes
merge commit: 2e03ca4a5b
The issue was that the wire width was not passed to the shader when using curve objects.
This PR is just the cherry picked changes from the original commit.
Pull Request: https://projects.blender.org/blender/blender/pulls/124774
b2cedb891e