fix: request finalization status of withdrawal on the fetch params phase

[montekki]

Previously the status of withdrawal whether it is finalized is not has only
been asked after unsuccessful finalization prediction from the smart contract.

However, if the finalizer has no money it will be stuck at a given height and
not request any other finalization statuses of withdrawals in the meanwhile.

This fix:

1. Adds logic to immediately ask the finalization status on params fetch step
2. Adds a migration to clear the table the finalization_data table can be cleared and statuses re-requested.