Early staker can disable staking by issuing and sending a bit to Furance

Lines of code Vulnerability details This one is caused by mitigation to issue M-05 Impact Early issuer can issue less than one wad e.g. 9e17 wei and send it to the Furnace contract, then whenever anyone is trying to issue more RTokens melt would be called, since there’s less than 1 wad in total...