Bug/fix db destructor

[olehnikolaiev]

fixes https://github.com/skalenetwork/internal-support/issues/686

[github-actions]

SUGGESTIONS BEFORE MERGE:

1. Build custom container here: https://github.com/skalenetwork/skaled/actions?query=workflow%3A%22Custom+Docker+and+Binary%22
2. Test it here: https://github.com/skalenetwork/skale-ci-integration_tests/actions?query=workflow%3A%22Skaled+Nightly+Tests%22
3. Edit VERSION file appropriately to your changes!
   See https://skalelabs.atlassian.net/wiki/spaces/SKALE/pages/2444951553/Branching+instructions

The base branch was changed.

[codecov]

Codecov Report

Merging #1524 (232beb2) into v3.17.0 (e1a519a) will increase coverage by 0.10%.
The diff coverage is 82.60%.

@@             Coverage Diff             @@
##           v3.17.0    #1524      +/-   ##
===========================================
+ Coverage    45.26%   45.36%   +0.10%     
===========================================
  Files          335      335              
  Lines        50961    50987      +26     
===========================================
+ Hits         23067    23131      +64     
+ Misses       27894    27856      -38