Add case for Inlined to TypedTreeCopier
Add case for Inlined to TypedTreeCopier

The missing case was discovered after inlining `implicitly`. It produced
a type mismatch in Ycheck after lambda lift.

dotty-staging/dotty,som-snytt/dotty,dotty-staging/dotty,sjrd/dotty,som-snytt/dotty,dotty-staging/dotty,dotty-staging/dotty,sjrd/dotty,som-snytt/dotty,som-snytt/dotty,lampepfl/dotty,lampepfl/dotty,sjrd/dotty,sjrd/dotty,lampepfl/dotty,som-snytt/dotty,lampepfl/dotty,sjrd/dotty,dotty-staging/dotty,lampepfl/dotty