In the sellCreditMarket function, the transaction will be reverted if the lender does not have enough USDC. 
https://github.com/code-423n4/2024-06-size/blob/8850e25fb088898e9cf86f9be1c401ad155bea86/src/libraries/actions/SellCreditMarket.sol#L201-L202
To prevent this, we can add a check for the lenders balance in the pre-check stage.
