fix: Improve the sub-process handling of the Docling Worker (#12296)

* fix: Don't reprocess files in Advanced Mode

* Preserve metadata in docling processing

* [autofix.ci] apply automated fixes

* [autofix.ci] apply automated fixes (attempt 2/3)

* Preserve metadata in docling processing

* Preserve metadata in docling processing

* Update docling_inline.py

* [autofix.ci] apply automated fixes

* Preserve metadata in docling processing

* Emit log while worker is active

* [autofix.ci] apply automated fixes

* Update test_file_component_image_processing.py

* Update test_file_component_image_processing.py

* Update component_index.json

* [autofix.ci] apply automated fixes

* [autofix.ci] apply automated fixes

* Update component_index.json

* [autofix.ci] apply automated fixes

* [autofix.ci] apply automated fixes (attempt 2/3)

* [autofix.ci] apply automated fixes (attempt 3/3)

* Merge release branch

* Secrets baseline update

* [autofix.ci] apply automated fixes

* [autofix.ci] apply automated fixes (attempt 2/3)

* fix: Handle markdowns with large buffer output

* [autofix.ci] apply automated fixes

* [autofix.ci] apply automated fixes

---------

Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>