Bug: background color is not saved for SVG format

[rodrigoaguilera]

Do you want to request a feature or report a bug?
Bug

What is the current behavior?
Changing the background color and then saving as SVG doesn't keep the background color information.

What is the expected behavior?
The SVG is displayed with the same background color as it was displayed on the canvas of signature pad

Which versions of SignaturePad, and which browser / device are affected by this issue? Did this work in previous versions of SignaturePad?
Signature pad 4.0.10 with firefox and chrome. I don't think it ever worked before

I suggest to use a <rect width="100%" height="100%" fill="COLOR"/> as the first element of the SVG document.
I got it from https://stackoverflow.com/questions/11293026/default-background-color-of-svg-root-element

[github-actions]

🎉 This issue has been resolved in version 4.1.0 🎉

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

Your semantic-release bot 📦🚀