Support qubit operator in ``from_openfermion``

[soranjh]

Context: The from_openfermion function is updated to supports the conversion of qubit operators in addition to fermionic operators.

Description of the Change:

Benefits:

Possible Drawbacks:

Related GitHub Issues:

[github-actions[bot]]

Hello. You may have forgotten to update the changelog! Please edit doc/releases/changelog-dev.md with:

• A one-to-two sentence description of the change. You may include a small working example for new features.
• A link back to this PR.
• Your name (or GitHub username) in the contributors section.

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 99.66%. Comparing base (50e009a) to head (7d37173).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #5881 +/- ## ========================================== - Coverage 99.67% 99.66% -0.01% ========================================== Files 422 422 Lines 40663 40355 -308 ========================================== - Hits 40530 40221 -309 - Misses 133 134 +1 ```

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