fix pretty reaction builders

[exaexa]

No description provided.

[cylon-x]

🟢  Commit 4db42fe is formatted properly.

[cylon-x]

🟢  Commit 6efe3d6 is formatted properly.

[cylon-x]

🟢  Commit ed880ca is formatted properly.

[codecov]

Codecov Report

Merging #581 (ed880ca) into develop (c9240c9) will decrease coverage by 0.01%.
The diff coverage is 100.00%.

@@             Coverage Diff             @@
##           develop     #581      +/-   ##
===========================================
- Coverage    90.58%   90.56%   -0.02%     
===========================================
  Files           67       67              
  Lines         1710     1696      -14     
===========================================
- Hits          1549     1536      -13     
+ Misses         161      160       -1     

Impacted Files	Coverage Δ
src/base/types/Reaction.jl	100.00% <ø> (ø)
src/base/types/Gene.jl	100.00% <100.00%> (ø)
src/base/types/JSONModel.jl	100.00% <100.00%> (ø)
src/base/types/Metabolite.jl	100.00% <100.00%> (ø)
src/base/types/StandardModel.jl	100.00% <100.00%> (ø)
src/base/types/abstract/MetabolicModel.jl	94.73% <100.00%> (+0.29%)	⬆️
src/reconstruction/Reaction.jl	100.00% <100.00%> (+2.56%)	⬆️

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[stelmo]

This is so much cleaner, thanks!