IQP embedding graph decomp

[comp-phys-marc]

Context: We would like to port the IQPEmbedding decomposition to the new graph based system.

Description of the Change: Adds a capture compatible graph based decomposition to the class. Adds corresponding tests.

Benefits: The template can be decomposed via the graph.

Possible Drawbacks: N/A

Related Shortcut Stories: [sc-101966]

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 99.41%. Comparing base (1dea5e9) to head (43d5670).
⚠️ Report is 2 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #8534      +/-   ##
==========================================
- Coverage   99.41%   99.41%   -0.01%     
==========================================
  Files         584      585       +1     
  Lines       61302    61364      +62     
==========================================
+ Hits        60946    61006      +60     
- Misses        356      358       +2     

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