fix: Fix Svace defects and update unit tests

[o-kopysov]

Pull Request

Description

Current PR contains fixes for Svace defects.

Type of change

Please delete options that are not relevant.

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Code cleanup/refactoring
• Documentation update
• This change requires a documentation update
• CI system update
• Test Coverage update

Testing

Please describe the tests that you ran to verify your changes. Provide instructions so we can reproduce. Please also list any relevant details for your test configuration.

Test Configuration:

• Java: v17
• LPVS Release: v1.4.2

Checklist:

• My code follows the style guidelines of this project
• My code meets the required code coverage for lines (90% and above)
• My code meets the required code coverage for branches (80% and above)
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 75.00000% with 1 lines in your changes are missing coverage. Please review.

Project coverage is 91.27%. Comparing base (15140e7) to head (1477271).

Files	Patch %	Lines
src/main/java/com/lpvs/entity/LPVSFile.java	75.00%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##               main     #491      +/-   ##
============================================
+ Coverage     91.02%   91.27%   +0.25%     
- Complexity      509      510       +1     
============================================
  Files            48       48              
  Lines          1816     1685     -131     
  Branches        220      205      -15     
============================================
- Hits           1653     1538     -115     
+ Misses           96       82      -14     
+ Partials         67       65       -2     

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[t-naumenko]

LGTM