Inequality producing empty canvases at root level on resize

[jacbn]

If makeInequality is called with an undefined ref, p5 proceeds to generate a new canvas at root level with seemingly fullscreen sizing. With an adjacent change to inequality, this forces the element to always be defined and will quietly cancel the setup in the known cases when this occurs.

[jacbn]

Is not required, but should be paired with the updated version of inequality that forces the element type to be defined.

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 18 lines in your changes missing coverage. Please review.

Project coverage is 36.59%. Comparing base (4ff419a) to head (d2016ca).
Report is 18 commits behind head on master.

Files with missing lines	Patch %	Lines
...ponents/content/IsaacSymbolicChemistryQuestion.tsx	0.00%	3 Missing and 2 partials ⚠️
.../components/content/IsaacSymbolicLogicQuestion.tsx	0.00%	2 Missing and 2 partials ⚠️
...c/app/components/content/IsaacSymbolicQuestion.tsx	0.00%	1 Missing and 2 partials ⚠️
src/app/components/pages/Equality.tsx	0.00%	1 Missing and 2 partials ⚠️
...app/components/elements/modals/inequality/utils.ts	0.00%	1 Missing and 1 partial ⚠️
...nts/elements/modals/inequality/InequalityModal.tsx	0.00%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1245      +/-   ##
==========================================
- Coverage   36.62%   36.59%   -0.03%     
==========================================
  Files         451      451              
  Lines       19763    19779      +16     
  Branches     6510     6504       -6     
==========================================
  Hits         7238     7238              
- Misses      11880    11886       +6     
- Partials      645      655      +10     

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[sjd210]

What strange behaviour from p5 :/ Anyway, this certainly seems to fix it and better typing is always good regardless 👍