Fix for decorators in StateBlocks

[eslickj]

Fixes

This should fix decorators for Expressions and Constraints not working in state blocks.

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[andrewlee94]

This looks good, and I think I can see how and why it is necessary. My main request is if you could also add this to the reaction base class, as I believe there is a separate but equivalent method there.

[codecov]

Codecov Report

Patch coverage: 100.00% and project coverage change: -0.01 ⚠️

Comparison is base (38b8333) 76.84% compared to head (e4dcd85) 76.83%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1224      +/-   ##
==========================================
- Coverage   76.84%   76.83%   -0.01%     
==========================================
  Files         390      390              
  Lines       61867    61873       +6     
  Branches    11388    11388              
==========================================
+ Hits        47539    47542       +3     
- Misses      11866    11870       +4     
+ Partials     2462     2461       -1     

Impacted Files	Coverage Δ
idaes/core/base/property_base.py	93.79% <100.00%> (+0.07%)	⬆️
idaes/core/base/reaction_base.py	93.63% <100.00%> (+0.17%)	⬆️

... and 1 file with indirect coverage changes

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