Glob setting of font-size globally does not cascade to connector labels

Steps to Reproduce:

1. Open D2 Playground
2. Run the following D2 script

*.style.fill: green
*.style.font-size: 48

m1: diddy kong
m2: Donkey Kong

m1 -> m2: "linking..." {
  style.font-size: 16
}

3. Comment out the 2nd font size declaration