Do not make AWSCredentials if credentialsId is null, instead pass null to constructor
Testing done
### Submitter checklist
- [ ] Make sure you are opening from a **topic/feature/bugfix branch** (right side) and not your main branch!
- [ ] Ensure that the pull request title represents the desired changelog entry
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- [ ] Link to relevant issues in GitHub or Jira
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- [ ] Ensure you have provided tests - that demonstrates feature works or fixes the issue
Do not make AWSCredentials if credentialsId is null, instead pass null to constructor
Testing done