NIFI-10106 Avoid NPE in LookupRecord.createLookupCoordinates

[tpalfy]

Summary

NIFI-10106

Tracking

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Issue Tracking

• Apache NiFi Jira issue created

Pull Request Tracking

• Pull Request title starts with Apache NiFi Jira issue number, such as NIFI-00000
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Build

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  • JDK 8
  • JDK 11
  • JDK 17

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Documentation

• Documentation formatting appears as expected in rendered files

[markap14]

Thanks for fixing @tpalfy +1 merged to main