### Issue
Attempt at partitioning a password protected errors results in an
obscure exception
> Can't find workbook in OLE2 compound document
### Solution
Utilize [msoffcrypto-tool](https://pypi.org/project/msoffcrypto-tool/)
package (MIT License) to load XLSX file and check whether it's
encrypted, if yes throw an `UnprocessableEntityError` exception
detailing the reason for rejecting the file.
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Co-authored-by: Filip Knefel <filip@unstructured.io>