fix: prevent KeyError in reading order prediction and preserve PageElement type#139

cau-git with Copilot wants to merge 2 commits into

maindocling-project/docling-ibm-models:mainfrom

copilot/fix-keyerror-in-doclingdocling-project/docling-ibm-models:copilot/fix-keyerror-in-doclingCopy head branch name to clipboard