Support input's being set on new data structure dataclass

[timothy-nunn]

In #4120 I forgot to handle the setting of inputs inside this new data structure. At present, the inputs are being set as attributes on the Python module, which does nothing because the data is now inside of a dataclass.

[codecov-commenter]

Codecov Report

❌ Patch coverage is 88.88889% with 2 lines in your changes missing coverage. Please review.
✅ Project coverage is 48.01%. Comparing base (771e4d2) to head (ea07fba).
⚠️ Report is 8 commits behind head on main.

Files with missing lines	Patch %	Lines
process/main.py	75.00%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #4154      +/-   ##
==========================================
+ Coverage   47.81%   48.01%   +0.19%     
==========================================
  Files         143      143              
  Lines       29993    30164     +171     
==========================================
+ Hits        14342    14482     +140     
- Misses      15651    15682      +31     

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