Change nil check to use safe navigation operator

[jacobherrington]

Description

This change is fairly subjective, but it does remove a duplicate method
call and in my opinion clarifies the intention of the code

This replaces a boolean && with the safe navigation operator.

Checklist:

• I have followed Pull Request guidelines
• I have added a detailed description into each commit message
• I have updated Guides and README accordingly to this change (if needed)
• I have added tests to cover this change (if needed)

[spaghetticode]

@jacobherrington LGTM, thank you!

[kennyadsl]

Thanks @jacobherrington!