Incorrect font with v1.2.0

[erning]

It seems that the plugin is still using the old class names of KaTaX style, resulting in incorrect rendering results.

Here's the screen shot:

The expected results should be

According to the KaTaX's changelog, class name .mathdefault has been changed to .mathnormal.

Currently, I add the following code to styles.less as a workaround

.katex .mathnormal {
  font-family: KaTeX_Math;
  font-style: italic;
}

[craftzdog]

Good catch! Just published v1.2.1 🎉