ssvm: reset fields on destroy

[shwstppr]

Description

Fixes #8103

Types of changes

• Breaking change (fix or feature that would cause existing functionality to change)
• New feature (non-breaking change which adds functionality)
• Bug fix (non-breaking change which fixes an issue)
• Enhancement (improves an existing feature and functionality)
• Cleanup (Code refactoring and cleanup, that may add test cases)
• build/CI
• test (unit or integration test code)

Feature/Enhancement Scale or Bug Severity

Feature/Enhancement Scale

• Major
• Minor

Bug Severity

• BLOCKER
• Critical
• Major
• Minor
• Trivial

Screenshots (if appropriate):

How Has This Been Tested?

How did you try to break this feature and the system with this change?

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 7 lines in your changes missing coverage. Please review.

Project coverage is 15.14%. Comparing base (9967bb3) to head (4001f76).
Report is 16 commits behind head on 4.19.

Files with missing lines	Patch %	Lines
.../secondarystorage/SecondaryStorageManagerImpl.java	0.00%	7 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##               4.19   #10253      +/-   ##
============================================
+ Coverage     15.13%   15.14%   +0.01%     
- Complexity    11274    11283       +9     
============================================
  Files          5408     5408              
  Lines        473974   473823     -151     
  Branches      57813    57822       +9     
============================================
+ Hits          71730    71764      +34     
+ Misses       394227   394037     -190     
- Partials       8017     8022       +5     

Flag	Coverage Δ
uitests	4.29% <ø> (-0.01%)	⬇️
unittests	15.86% <0.00%> (+0.01%)	⬆️

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[DaanHoogland]

clgtm