Incorrect highlight for type constructor in REPL

[izhangzhihao]

Compiler version

scalac -version
Scala compiler version 3.0.0-M3 -- Copyright 2002-2020, LAMP/EPFL

Minimized code

type Id[A] = A

Output

But, if I type:

type Id[A] 

it just works fine:

Expectation

Correctly highlighted.

It may be related to #3814 #3987