Fix not required values 701

[zakpatterson]

Fixes #701

I tried for far too long to get a failing test that would detect NaN showing up in the dispatched action or in the state, but failed. I'll have to revisit that.

What kind of change does this PR introduce? (delete not applicable)

• Bugfix

[codecov]

Codecov Report

Merging #826 (98c150f) into master (88bf134) will increase coverage by 0.08%.
The diff coverage is 76.92%.

@@            Coverage Diff             @@
##           master     #826      +/-   ##
==========================================
+ Coverage   70.57%   70.65%   +0.08%     
==========================================
  Files         194      195       +1     
  Lines        6158     6165       +7     
  Branches     1010     1004       -6     
==========================================
+ Hits         4346     4356      +10     
+ Misses       1797     1795       -2     
+ Partials       15       14       -1     

Impacted Files	Coverage Δ
src/components/income/W2JobInfo.tsx	100.00% <ø> (ø)
src/core/util.ts	80.24% <72.72%> (-1.19%)	⬇️
src/core/data/validate.ts	100.00% <100.00%> (ø)
src/components/Summary.tsx	51.51% <0.00%> (-4.05%)	⬇️
src/redux/store.ts	73.33% <0.00%> (ø)
src/redux/data.ts	100.00% <0.00%> (ø)
src/forms/Y2020/irsForms/ScheduleEIC.ts	81.00% <0.00%> (+0.55%)	⬆️
src/forms/Y2021/irsForms/ScheduleEIC.ts	81.00% <0.00%> (+1.67%)	⬆️
src/redux/yearDispatch.ts	100.00% <0.00%> (+18.18%)	⬆️

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[thegrims]

stateWages are still allowed to be undefined

[zakpatterson]

stateWages are still allowed to be undefined

Initially I thought this was ok, because W-2s received for non-filing state residents might be blank in this section? But someone that moved during the year might have a certain amount attributed to each state. So really the state wages /withholding info needs to be in an array here, and this has to do with handling split residency / multiple state returns.

But it does seem like the state wages fields should always be filled in any case, so I'll make those fields required.