Slippage protection could be added to LoopedVault::requestWithdraw() in case of black swan event

Description:

It's technically possible for the assets of the LoopedVault to decrease suddenly when requesting a withdrawal in between a vesting interval update and a black swan event. This could catch a user withdrawing off guard and make them take a significant loss in case they are frontrun.

Recommended Mitigation:

Consider adding slippage protection.