[DOP-25498] Allow to parse unknown RunEvent as Run+Operation

[dolfinus]

Change Summary

If received RunEvent has unknown integration type, and has any input or output, create Run + Operation instead of just Run. Added integration tests, moved some fixtures to dedicated files.

Related issue number

Checklist

• Commit message and PR title is comprehensive
• Keep the change as small as possible
• Unit and integration tests for the changes exist
• Tests pass on CI and coverage does not decrease
• Documentation reflects the changes where applicable
• docs/changelog/next_release/<pull request or issue id>.<change type>.rst file added describing change
  (see CONTRIBUTING.rst for details.)
• My PR is ready to review.

[codecov]

Codecov Report

❌ Patch coverage is 87.50000% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 91.93%. Comparing base (559d78b) to head (c544b9e).
⚠️ Report is 119 commits behind head on develop.

Files with missing lines	Patch %	Lines
...ata_rentgen/consumer/extractors/batch_extractor.py	66.66%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           develop     #206      +/-   ##
===========================================
+ Coverage    91.83%   91.93%   +0.10%     
===========================================
  Files          205      205              
  Lines         5092     5095       +3     
  Branches       364      365       +1     
===========================================
+ Hits          4676     4684       +8     
+ Misses         336      333       -3     
+ Partials        80       78       -2     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.