Fix 4XX errors incorrectly categorized as 5XX in PDF splitting#290

CyMule merged 2 commits intomainUnstructured-IO/unstructured-python-client:mainfrom

fix/preserve-http-status-codes-in-split-pdf-hookUnstructured-IO/unstructured-python-client:fix/preserve-http-status-codes-in-split-pdf-hookCopy head branch name to clipboard