feat(SPV-1125) finalize the story for op_return recording

[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 @mgosek-4chain resulted in success.

[codecov-commenter]

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Codecov Report

Attention: Patch coverage is 64.49275% with 49 lines in your changes missing coverage. Please review.

Project coverage is 52.71%. Comparing base (0f4e6b8) to head (98d524a).

Files with missing lines	Patch %	Lines
models/bsv/outpoint.go	0.00%	23 Missing ⚠️
actions/v2/data/get.go	50.00%	9 Missing and 3 partials ⚠️
engine/v2/database/repository/data.go	66.66%	6 Missing and 2 partials ⚠️
engine/v2/data/data_service.go	70.00%	2 Missing and 1 partial ⚠️
engine/client.go	33.33%	2 Missing ⚠️
actions/v2/operations/search.go	66.66%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #877      +/-   ##
==========================================
+ Coverage   52.61%   52.71%   +0.09%     
==========================================
  Files         376      382       +6     
  Lines       16895    17029     +134     
==========================================
+ Hits         8889     8976      +87     
- Misses       7291     7332      +41     
- Partials      715      721       +6     

Flag	Coverage Δ
unittests	52.71% <64.49%> (+0.09%)	⬆️

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

Files with missing lines	Coverage Δ
actions/v2/data/internal/mapping/data.go	100.00% <100.00%> (ø)
actions/v2/data/routes.go	100.00% <100.00%> (ø)
actions/v2/register.go	100.00% <100.00%> (ø)
engine/client_internal.go	68.59% <100.00%> (+0.61%)	⬆️
engine/testabilities/fixture_engine.go	92.25% <ø> (ø)
engine/testabilities/fixture_faucet.go	100.00% <100.00%> (ø)
engine/v2/data/datamodels/data.go	100.00% <100.00%> (ø)
engine/v2/database/repository/all.go	100.00% <100.00%> (ø)
actions/v2/operations/search.go	34.37% <66.66%> (ø)
engine/client.go	55.92% <33.33%> (-0.46%)	⬇️
... and 4 more

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