[DOP-22729] Generate log_url on worker side

[IlyasDevelopment]

Change Summary

Ensured that log_url is always populated on the worker side, even when Transfer is started from the scheduler, instead of relying solely on the server.

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

All modified and coverable lines are covered by tests ✅

Project coverage is 91.85%. Comparing base (3e3d663) to head (be4d322).
Report is 139 commits behind head on develop.

Additional details and impacted files

@@             Coverage Diff             @@
##           develop     #220      +/-   ##
===========================================
- Coverage    91.86%   91.85%   -0.01%     
===========================================
  Files          194      194              
  Lines         4669     4667       -2     
  Branches       350      350              
===========================================
- Hits          4289     4287       -2     
  Misses         297      297              
  Partials        83       83              

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