minor fixes for multi block with properties

[ralberd]

No description provided.

[codecov]

Codecov Report

❌ Patch coverage is 0% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 75.56%. Comparing base (ad9030e) to head (16f6eae).
⚠️ Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
optimism/Mechanics.py	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #121      +/-   ##
==========================================
- Coverage   75.57%   75.56%   -0.02%     
==========================================
  Files          65       65              
  Lines        5646     5647       +1     
==========================================
  Hits         4267     4267              
- Misses       1379     1380       +1     

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