Improve upgrade initializer call

[vgeddes]

Minor initializer cleanups

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (df81476) 80.98% compared to head (b304d67) 80.97%.
Report is 2 commits behind head on main.

❗ Current head b304d67 differs from pull request most recent head c65a3ec. Consider uploading reports for the commit c65a3ec to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1010      +/-   ##
==========================================
- Coverage   80.98%   80.97%   -0.01%     
==========================================
  Files          52       52              
  Lines        2161     2160       -1     
  Branches       72       71       -1     
==========================================
- Hits         1750     1749       -1     
  Misses        396      396              
  Partials       15       15              

Flag	Coverage Δ
solidity	80.82% <100.00%> (-0.06%)	⬇️

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[alistair-singh]

Looks good!