Add missing coverage for disabled Style/SafeNavigation lines

[kaylareopelle]

Description

There are approximately 30 # rubocop:disable Style/SafeNavigation comments within the codebase created during the resolution of #1787

Above these lines, there's another comment describing the type of coverage the following line lacks.

Acceptance Criteria

• Add the missing type of test coverage (else branch, then branch, or line and branch coverage) for each LOC disabling the Style/SafeNavigation rubocop
• Remove the # rubocop:disable Style/SafeNavigation comments and the comments about test coverage
• Correct the lines of code to use the safe navigation operator (rubocop -A)

Design Consideration/Limitations

We could also consider making these changes as we edit the files for other purposes.

Dependencies

N/A

Estimates

M

[workato-integration]

https://issues.newrelic.com/browse/NEWRELIC-7149