fix(SPV-1350): (v1) update tx in db when sth changed

[chris-4chain]

Pull Request Checklist

• 📖 I created my PR using provided : CODE_STANDARDS
• 📖 I have read the short Code of Conduct: CODE_OF_CONDUCT
• 🏠 I tested my changes locally.
• ✅ I have provided tests for my changes.
• 📝 I have used conventional commits.
• 📗 I have updated any related documentation.
• 💾 PR was issued based on the Github or Jira issue.

[github-actions]

Manual Tests

💚 Manual testing by @jakubmkowalski resulted in success.

[codecov-commenter]

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Codecov Report

Attention: Patch coverage is 0% with 28 lines in your changes missing coverage. Please review.

Project coverage is 52.71%. Comparing base (9494183) to head (0924a91).

Files with missing lines	Patch %	Lines
engine/tx_sync_task.go	0.00%	25 Missing ⚠️
engine/model_transactions.go	0.00%	3 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #904      +/-   ##
==========================================
- Coverage   52.75%   52.71%   -0.05%     
==========================================
  Files         406      406              
  Lines       17993    18007      +14     
==========================================
  Hits         9493     9493              
- Misses       7749     7763      +14     
  Partials      751      751              

Flag	Coverage Δ
unittests	52.71% <0.00%> (-0.05%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines	Coverage Δ
engine/model_transactions.go	63.88% <0.00%> (-0.72%)	⬇️
engine/tx_sync_task.go	0.00% <0.00%> (ø)

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