Calculate Wigner functions and marginals directly from ABC

[JacobHast]

Before posting a feature request

• [X] I have searched exisisting GitHub issues to make sure the feature request does not already exist.

Feature details

Right now Wigner functions and quadrature marginals are calculated in Fock basis (at least in visualize_2d), but we should be able to take advantage of the Gaussian nature of the states in Bargmann representation to get a significant speed-up when calculating these things.

Implementation

No response

How important would you say this feature is?

2: Somewhat important. Needed this quarter.

Additional information

No response