[G-3] Use nested if and, avoid multiple check combinations

[juniormp]

Comments

Using nested is cheaper than using && multiple check combinations. There are more advantages, such as easier to read code and better coverage reports.

Instances

https://github.com/juniormp/audit-2023-04-rubicon/blob/511636d889742296a54392875a35e4c0c4727bb7/contracts/RubiconMarket.sol#L325
https://github.com/juniormp/audit-2023-04-rubicon/blob/511636d889742296a54392875a35e4c0c4727bb7/contracts/RubiconMarket.sol#L1197