`_lockedETH` does not decrease when a raffle is cancelled and users are refunded. This breaks the `withdrawETH()` function

Not checking if `chainSelector` or `prizeManager` are correct in the `cancelRaffle()` and `propagateRaffleWinner()` functions will cause discrepancies between contracts, breaking contract functionality.

Irreversible role assignment in `Roles.sol::_setRole()`