feat: use Mooncake's copy utilities

[gdalle]

Use the copy utilities introduced in Mooncake following chalk-lab/Mooncake.jl#517

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 97.88%. Comparing base (272eeb5) to head (7dc57db).
Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #809      +/-   ##
==========================================
- Coverage   97.93%   97.88%   -0.06%     
==========================================
  Files         128      128              
  Lines        7690     7694       +4     
==========================================
  Hits         7531     7531              
- Misses        159      163       +4     

Flag	Coverage Δ
DI	98.74% <100.00%> (-0.08%)	⬇️
DIT	95.61% <ø> (ø)

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