utilizing a ternary operator when null is one side

[Michelle-Ward]

https://github.com/ecomm-Labs/catwalk/blob/84bcf1d41f564d28d09670d5f97a5eb3b712c8f7/client/src/components/Questions/QandAHeader.jsx#L98

similar to another issue posted. if one side of the ternary is nothing (null, ''). You can use the && operator to display something if the left side of the comparison is true to display the right side. It has better readability in this case and requires less code