Update verbose parameter when initializing ModelWorker

[aRyBernAlTEglOTRO]

Related Issue

#515

Checklist

• I have read the CONTRIBUTING guidelines.
• I have added tests to cover my changes.
• I have updated the documentation (docs folder) accordingly.

Additional Notes

Add any other context about the PR here.

[greptile-apps]

PR Summary

This PR fixes a bug where the verbose parameter was incorrectly passed as batch_delay instead of _verbose when initializing ModelWorker instances in the BatchHandler class.

• Fixed incorrect parameter in BatchHandler.__init__() where ModelWorker was initialized with verbose=batch_delay instead of verbose=self._verbose
• Change ensures proper debug logging behavior when verbose mode is enabled
• Issue identified and reported in [BUG} Typo for vervose #515 as a typo that affected logging functionality

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Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 79.79%. Comparing base (ef4c424) to head (6d0784d).

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Additional details and impacted files

@@            Coverage Diff             @@
##             main     #516      +/-   ##
==========================================
- Coverage   79.90%   79.79%   -0.12%     
==========================================
  Files          43       43              
  Lines        3484     3484              
==========================================
- Hits         2784     2780       -4     
- Misses        700      704       +4     

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