BUG: duplicate indexing with embedded non-orderables (#17610)
Bug in ``Series`` containing duplicate indexing when gets embedded non-orderables or orderables, raises error or returns unexpected result. (:issue:`17610`)

- [x] closes # 17610
- [x] tests added / passed
- [x] passes `git diff upstream/master -u -- "*.py" | flake8 --diff`
- [x] whatsnew entry
