Take a look at https://github.com/code-423n4/2024-03-zksync/blob/4f0ba34f34a864c354c7e8c47643ed8f4a250e13/code/contracts/ethereum/contracts/governance/Governance.sol#L105
As seen this function is used to get the operation states of any operation, one thing to note is that the function is supposed to consider the operation pending only after the timestamp has passed block.timestamp but in the current implementation even when timestamp == block.timestamp the state would be Ready instead of Waiting
Low, info on better code structure.
Make the OperationState.Waiting check inclusive.
