We had to perform necessary adaptations to UniStaker.handler.sol, to integrate UNI and avoid failing tests due to the usage of a low-level foundry function; the changes are outlined below:
In particular, the usage of the low-level Foundrys deal function, which modifies in place the storage of an ERC20 contract, is incompatible with UNIs vote accounting mechanism and leads to underflows in vote computations with the error thrown Uni::_moveVotes: vote amount underflows.
