When doing an ERC1155 flashloan, the data parameter is always empty:
https://github.com/code-423n4/2023-09-delegate/blob/main/src/DelegateToken.sol#L406
Some collections might need this parameter to be usable. This is an example of such case:
Consider adding a flashloanData parameter to Structs.FlashInfo and pass it while transfering.
