New cft

[arsalan-motamedi]

Context:
Introducing the CFT (Complex Fourier Transform) gate. The previous CFT branch had some issues. Here we address them. However, the class CFT remains unchanged.

Description of the Change:
Updating tests.

Benefits:
CFT allows computing Wigner functions of arbitrary objects.

Possible Drawbacks:
Need to keep track of hbar by hand in Wigner function evaluations.

Related GitHub Issues:
None.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 89.60%. Comparing base (1a798b3) to head (f721005).
Report is 1 commits behind head on develop.

Additional details and impacted files

@@             Coverage Diff             @@
##           develop     #484      +/-   ##
===========================================
+ Coverage    89.56%   89.60%   +0.03%     
===========================================
  Files          101      102       +1     
  Lines         7392     7415      +23     
===========================================
+ Hits          6621     6644      +23     
  Misses         771      771              

Files with missing lines	Coverage Δ
mrmustard/lab_dev/states/base.py	96.26% <100.00%> (ø)
mrmustard/lab_dev/transformations/__init__.py	100.00% <100.00%> (ø)
mrmustard/lab_dev/transformations/cft.py	100.00% <100.00%> (ø)
mrmustard/physics/ansatze.py	97.18% <100.00%> (+0.03%)	⬆️
mrmustard/physics/triples.py	100.00% <100.00%> (ø)

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