centerVertically ignore descent

[developer-av]

Issue

Expected behavior

Actual behavior

Steps to reproduce the behavior

const fontStream = new SVGIcons2SVGFontStream({
    normalize: false,
    fontHeight: 1000,
    descent: 160,
    centerVertically: true,
});

Debugging informations

• node -v result:

v14.16.1

• yarn -v result:

1.22.5

If the result is lower than 6.9.5, there is
poor chances i even have a look to it. Please,
use the last NodeJS LTS version.

Use cases

• I will/have implement the feature

[pioug]

Thank you! It's in the version 10.0.4