feat(nmredataToJSON): fix the exportation of 2D signal

[jobo322]

No description provided.

[codecov]

Codecov Report

Merging #15 (6203811) into master (853417c) will increase coverage by 0.31%.
The diff coverage is 93.75%.

@@            Coverage Diff             @@
##           master      #15      +/-   ##
==========================================
+ Coverage   55.39%   55.71%   +0.31%     
==========================================
  Files          23       23              
  Lines         713      718       +5     
  Branches      204      205       +1     
==========================================
+ Hits          395      400       +5     
  Misses        255      255              
  Partials       63       63              

Impacted Files	Coverage Δ
src/converter/util/toJSON/getSignalData2D.js	10.00% <ø> (ø)
src/converter/util/toJSON/getJcamp.js	50.00% <50.00%> (ø)
src/NmrRecord.js	58.65% <100.00%> (+0.81%)	⬆️
src/converter/nmredataToJSON.js	96.77% <100.00%> (+0.34%)	⬆️
src/converter/util/toJSON/extractZipFolder.js	89.47% <100.00%> (ø)
src/parseSignal/parse1DSignal.js	94.87% <100.00%> (ø)
src/parseSignal/parse2DSignal.js	75.00% <100.00%> (ø)
src/processContent.js	100.00% <100.00%> (ø)

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