Fix #7608: Additional corrections to given imports and toExpr
Fix #7608: Additional corrections to given imports and toExpr

Fixed 2 outdated given imports and removed 1 obsolete reference to toExpr ext.

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