Fix docstring drawing of CHGate circuit element (#7034)
Fix docstring drawing of CHGate circuit element (#7034)

* Fixed issue #7024

- Sphinx was considering the circuit as a list item
- Fixed that to a normal circuit diagram.

* Fixed trailing whitespace

Co-authored-by: Kevin Krsulich <ffb4761cba839470133bee36aeb139f58d7dbaa9@krsulich.net>

* Added a blank line to fix the underlying issue

Added a blank line between **Circuit symbol** and before .. parsed-literal:: to have the documentation work correctly.

Co-authored-by: Kevin Krsulich <ffb4761cba839470133bee36aeb139f58d7dbaa9@krsulich.net>
Co-authored-by: mergify[bot] <b09a6ee808b67e98a221404e7aaa52e0398a4954@users.noreply.github.com>
QISKit/qiskit-sdk-py,QISKit/qiskit-sdk-py,QISKit/qiskit-sdk-py