[NewEntry] Allow submission with no gloss

[imnasnainaec]

Resolves #607

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This change is 

[jasonleenaylor]

Reviewed 2 of 2 files at r1.
Reviewable status: complete! all files reviewed, all discussions resolved (waiting on @imnasnainaec)

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src/components/DataEntry/DataEntryTable/NewEntry/NewEntry.tsx, line 363 at r1 (raw file):

this.handleEnter(e, false)

Add comment to explain the false and why we want to allow it

[codecov-io]

Codecov Report

Merging #796 into master will decrease coverage by 0.02%.
The diff coverage is 12.50%.

@@            Coverage Diff             @@
##           master     #796      +/-   ##
==========================================
- Coverage   51.24%   51.22%   -0.03%     
==========================================
  Files         237      237              
  Lines        6430     6433       +3     
  Branches      410      412       +2     
==========================================
  Hits         3295     3295              
- Misses       2832     2833       +1     
- Partials      303      305       +2     

Flag	Coverage Δ
backend	55.22% <ø> (ø)
frontend	47.35% <12.50%> (-0.05%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
...nts/DataEntry/DataEntryTable/NewEntry/NewEntry.tsx	17.00% <0.00%> (-0.18%)	⬇️
src/types/word.tsx	87.50% <33.33%> (-7.96%)	⬇️

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[jasonleenaylor]

Reviewed 1 of 1 files at r2.
Reviewable status: complete! all files reviewed, all discussions resolved (waiting on @imnasnainaec)