fix: document extractor parsing order for docx files

[lrhan321]

Summary

Fixes #13094

1. In the current version, the document extractor node does not preserve the original order when parsing DOCX files containing table data.
2. This commit addresses the issue by ensuring that the extracted content maintains the same sequence as in the source document.

Tip

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Checklist

Important

Please review the checklist below before submitting your pull request.

• This change requires a documentation update, included: Dify Document
• I understand that this PR may be closed in case there was no previous discussion or issues. (This doesn't apply to typos!)
• I've added a test for each change that was introduced, and I tried as much as possible to make a single atomic change.
• I've updated the documentation accordingly.
• I ran dev/reformat(backend) and cd web && npx lint-staged(frontend) to appease the lint gods