shadow: reconstruct Desired from Delta

[at-wat]

No description provided.

[codecov]

Codecov Report

Merging #238 (816da64) into master (39e8081) will increase coverage by 0.29%.
The diff coverage is 83.33%.

@@            Coverage Diff             @@
##           master     #238      +/-   ##
==========================================
+ Coverage   60.41%   60.71%   +0.29%     
==========================================
  Files          29       29              
  Lines        1483     1489       +6     
==========================================
+ Hits          896      904       +8     
+ Misses        505      502       -3     
- Partials       82       83       +1     

Impacted Files	Coverage Δ
shadow/state.go	65.38% <83.33%> (+1.09%)	⬆️
shadow/shadow.go	78.64% <0.00%> (+1.06%)	⬆️

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[kamatama41]

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