message: Fix XTZ forwarder contract deployment tx
  Fix storage field of origination operation script to match value from
  deployForwarderContract script in coins-sandbox
  Ticket:
diff: @@ -1220,7 +1220,7 @@ export function forwarderOriginationOperation(
  balance,
  script: {
  code: createForwarder(contractAddress),
  - storage: { prim: 'storage', args: [{ prim: 'unit' }] },
  + storage: { prim: 'Unit' },
  },
  };
  }
  