[bug]: syntax highlighting fails for string literal union

[spaceunifyfifty]

Describe the bug

When annotating type of a parameter as a union of literal strings, only the first string correctly highlights.

Scastie snippet link

https://scastie.scala-lang.org/yhCU9W46TiKfXzrglYjr5g

To Reproduce

def fn(x: "yes" | "no") = ???

Expected behavior

the "no" string should also be highlighted.

Screenshot ( Optional )

Version

Scastie website

What browsers are you seeing the problem on?

Firefox

Relevant log output

No response