The doOperation function does not check the return value of the flashLoan function, which can cause undetected failures in the flash loan process. 
According to IERC3156FlashLender.sol (out of scope for this audit), the flashLoan function contains a return value that the caller should check. However, the _doOperation function initiates the flash loan but does not check the return value:
https://github.com/code-423n4/2024-06-badger/blob/9173558ee1ac8a78a7ae0a39b97b50ff0dd9e0f8/ebtc-protocol/packages/contracts/contracts/LeverageMacroBase.sol#L185-L202
Modify the _doOperation function to check the return value of the flashLoan function and ensure it matches FLASH_LOAN_SUCCESS.
