MultiRewardStaking._accrueRewards can lead to loss of rewards for lower decimal tokens

Lines of code Vulnerability details Rewards accrual is computed in the following way: 406: deltaIndex = accrued.mulDivuint25610decimals, supplyTokens, Math.Rounding.Down.safeCastTo224; This can lead to truncation for low decimal tokens: Consider an instance with DAI as the asset, with a total of...