Add assign into choice for state machines

[kddejong]

Issue #, if available:
fix #4049
Description of changes:

• Add assign into choice for state machines

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 94.20%. Comparing base (891691a) to head (f42ca2d).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #4054      +/-   ##
==========================================
- Coverage   94.20%   94.20%   -0.01%     
==========================================
  Files         386      386              
  Lines       13333    13333              
  Branches     2642     2642              
==========================================
- Hits        12561    12560       -1     
  Misses        421      421              
- Partials      351      352       +1     

Flag	Coverage Δ
unittests	94.18% <ø> (-0.01%)	⬇️

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