Use `raku-coercion` dispatcher in Scalar assignment
Use `raku-coercion` dispatcher in Scalar assignment

Don't rely on inlining of metamodel `coerce` method.

rakudo/rakudo,MasterDuke17/rakudo,rakudo/rakudo,rakudo/rakudo,labster/rakudo,tbrowder/rakudo,labster/rakudo,tbrowder/rakudo,tbrowder/rakudo,salortiz/rakudo,salortiz/rakudo,rakudo/rakudo,labster/rakudo,rakudo/rakudo,tbrowder/rakudo,tbrowder/rakudo,MasterDuke17/rakudo,MasterDuke17/rakudo,rakudo/rakudo,MasterDuke17/rakudo,labster/rakudo,MasterDuke17/rakudo,labster/rakudo,labster/rakudo,salortiz/rakudo,MasterDuke17/rakudo,salortiz/rakudo,salortiz/rakudo,salortiz/rakudo,tbrowder/rakudo