Improve wire ordering in tapering workflows

[obliviateandsurrender]

Context: Improves wire ordering in _taper_pauli_sentence

Description of the Change: Fixes an edge case related to Identities and simplifies some blocks using arithmetic.

Benefits:

Possible Drawbacks:

Related GitHub Issues:

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 99.60%. Comparing base (4af2597) to head (403da73).
Report is 1 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #6954   +/-   ##
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  Coverage   99.59%   99.60%           
=======================================
  Files         484      484           
  Lines       46193    46196    +3     
=======================================
+ Hits        46008    46012    +4     
+ Misses        185      184    -1     

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[austingmhuang]

Nice work @obliviateandsurrender. Just to clarify, this is just to make tapering JAX-JIT compatible?

[obliviateandsurrender]

@austingmhuang this is to fix the wire ordering issue with tapered Hamiltonians as raised by a user in the forum. Jax-jit support is additional.

[austingmhuang]

@austingmhuang this is to fix the wire ordering issue with tapered Hamiltonians as raised by a user in the forum. Jax-jit support is additional.

Do we have a test case for this wire ordering issue?

[CatalinaAlbornoz]

Linking the Forum thread where the issue was first identified (for future reference).

[austingmhuang]

Thanks @obliviateandsurrender.