Add check for PV claimref nil

[anshulahuja98]

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Does your change fix a particular issue?

Fixes #7494

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• Accepted the DCO. Commits without the DCO will delay acceptance.
• Created a changelog file or added /kind changelog-not-required as a comment on this pull request.
• Updated the corresponding documentation in site/content/docs/main.

[anshulahuja98]

/kind changelog-not-required

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 59.08%. Comparing base (3408ffe) to head (2d3521a).
Report is 15 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #8174      +/-   ##
==========================================
+ Coverage   59.05%   59.08%   +0.02%     
==========================================
  Files         364      364              
  Lines       30324    30326       +2     
==========================================
+ Hits        17909    17917       +8     
+ Misses      10972    10967       -5     
+ Partials     1443     1442       -1     

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