Fixes required for mint and burn fuzzing

[jalextowle]

This PR contains some fixes required to get the mint and burn functions fuzzed

[codecov]

Codecov Report

Attention: Patch coverage is 17.64706% with 14 lines in your changes missing coverage. Please review.

Project coverage is 80.40%. Comparing base (f3bc4c7) to head (b06f905).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
src/agent0/chainsync/db/hyperdrive/convert_data.py	17.64%	14 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1743      +/-   ##
==========================================
- Coverage   80.90%   80.40%   -0.51%     
==========================================
  Files          96       96              
  Lines        7113     7128      +15     
==========================================
- Hits         5755     5731      -24     
- Misses       1358     1397      +39     

Flag	Coverage Δ
unittests	80.40% <17.64%> (-0.51%)	⬇️

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