Diagnostics output objects

[dangunter]

Fixes #1744

Changes proposed in this PR:

• While preserving existing output..
• Provide Pydantic model objects for all operations
• Add a 'history' option that can record past input/result pairs so the iterative process can be better tracked

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[codecov]

Codecov Report

❌ Patch coverage is 0% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 73.84%. Comparing base (3b76abc) to head (77b858f).
⚠️ Report is 3 commits behind head on main.

Files with missing lines	Patch %	Lines
idaes/core/util/model_diagnostics.py	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1745      +/-   ##
==========================================
- Coverage   73.85%   73.84%   -0.02%     
==========================================
  Files         406      406              
  Lines       66081    66081              
  Branches    11110    11110              
==========================================
- Hits        48803    48795       -8     
- Misses      14741    14745       +4     
- Partials     2537     2541       +4     

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