sNOTE.sol#_mintFromAssets() Lack of slippage control

Handle WatchPug Vulnerability details ttps://github.com/code-423n4/2022-01-notional/blob/d171cad9e86e0d02e0909eb66d4c24ab6ea6b982/contracts/sNOTE.solL195-L209 BALANCERVAULT.joinPoolvalue: msgValue NOTEETHPOOLID, addressthis, addressthis, // sNOTE will receive the BPT IVault.JoinPoolRequest assets...