Refactoring H_Abstraction Code

[calvinp0]

get an xyz guess if both reactants are the same

[codecov[bot]]

Codecov Report

Merging #642 (45186ff) into main (8b1a8ee) will increase coverage by 0.00%. The diff coverage is n/a.

:exclamation: Current head 45186ff differs from pull request most recent head 3195c69. Consider uploading reports for the commit 3195c69 to get more accurate results

@@           Coverage Diff           @@
##             main     #642   +/-   ##
=======================================
  Coverage   73.14%   73.15%           
=======================================
  Files          99       99           
  Lines       26277    26273    -4     
  Branches     5495     5494    -1     
=======================================
- Hits        19220    19219    -1     
+ Misses       5694     5692    -2     
+ Partials     1363     1362    -1     

Impacted Files	Coverage Δ
arc/job/adapters/ts/heuristics.py	82.31% <ø> (ø)

... and 3 files with indirect coverage changes

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[alongd]

@calvinp0, can you remove the second "merge" commit?