fix: fixing nil pointer error when converting VAPB from v1beta1 to v1

[JaydipGabani]

What this PR does / why we need it:

Which issue(s) this PR fixes (optional, using fixes #<issue number>(, fixes #<issue_number>, ...) format, will close the issue(s) when the PR gets merged):
Fixes #3753

Special notes for your reviewer:

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 47.68%. Comparing base (3350319) to head (ec9c711).
Report is 217 commits behind head on master.

❗ There is a different number of reports uploaded between BASE (3350319) and HEAD (ec9c711). Click for more details.

HEAD has 1 upload less than BASE

Flag	BASE (3350319)	HEAD (ec9c711)
unittests	2	1

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #3754      +/-   ##
==========================================
- Coverage   54.49%   47.68%   -6.82%     
==========================================
  Files         134      236     +102     
  Lines       12329    19924    +7595     
==========================================
+ Hits         6719     9500    +2781     
- Misses       5116     9529    +4413     
- Partials      494      895     +401     

Flag	Coverage Δ
unittests	47.68% <100.00%> (-6.82%)	⬇️

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[maxsmythe]

LGTM

[ritazh]

LGTM