Fix/unfudge parametarized Hash in modules proptests
Fix/unfudge parametarized Hash in modules proptests

Closes https://github.com/rakudo/rakudo/issues/2375 R#2375

The inner hashes in the initializers were not parametarized.
The only reason these proptests were passing in the past is because
we didn't do typechecks in that place, which is fixed now[^1]

[1] https://github.com/rakudo/rakudo/commit/9acbf000418cd716f532008

perl6/roast,dogbert17/roast,dogbert17/roast