No warning for unused "masking" import selector

[som-snytt]

Minimized code

//> using scala 3.7.2
//> using options -Wunused:imports

import scala.util.Try as _

@main def test = println:
  "hello, world"

Output

No warning.

Expectation

Warning.

[som-snytt]

https://github.com/scala/scala3/blob/3.7.2/compiler/src/dotty/tools/dotc/transform/CheckUnused.scala#L644

// TODO check for unused masking import