Move logic from `ConstraintGenerator::visitOverloadedDeclRefExpr`
to pre-check to avoid including macro declarations referenced
without `#`. This means that pre-checking would synthesize
`TypeExpr` in situations when there is a type reference that
is shadowed by a stdlib macro.
Resolves: https://github.com/apple/swift/issues/67815
Resolves: rdar://114796811
