Change default case sensitive search modifier to off

[ohana54]

Associated Issue: #3068

Summary of Changes

• Change the default case sensitive search modifier to be turned off, meaning the search is case-insensitive by default.

#goodnessSquad

[jasonLaster]

👍 Assuming that it works when you test it out :)

[ohana54]

Was just about to write - it works in dev, how do I test the "production" preferences?
I tried disabling the development overrides, but the debugger failed to load as a result.

[codecov]

Codecov Report

Merging #3199 into master will increase coverage by 0.01%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master    #3199      +/-   ##
==========================================
+ Coverage   47.82%   47.83%   +0.01%     
==========================================
  Files          98       98              
  Lines        4065     4064       -1     
  Branches      839      838       -1     
==========================================
  Hits         1944     1944              
+ Misses       2121     2120       -1

Impacted Files	Coverage Δ
src/utils/prefs.js	100% <100%> (ø)	⬆️
src/components/Editor/index.js	19.31% <0%> (+0.05%)	⬆️

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[jasonLaster]

it's hard to test in firefox, but that's why we have development.

Thanks!