SYNC prettier printWidth with eslint && FIX resulting linting warnings

[ndelangen]

Issue: printWidth for eslint & typescript is configured differently

What I did

I set them to the same value & fixed all resulting warnings

[shilman]

LGTM

[codecov]

Codecov Report

Merging #5978 into next will increase coverage by <.01%.
The diff coverage is 22.22%.

@@            Coverage Diff             @@
##             next    #5978      +/-   ##
==========================================
+ Coverage   34.91%   34.92%   +<.01%     
==========================================
  Files         648      648              
  Lines        9496     9512      +16     
  Branches     1377     1350      -27     
==========================================
+ Hits         3316     3322       +6     
- Misses       5563     5573      +10     
  Partials      617      617

Impacted Files	Coverage Δ
app/angular/src/demo/welcome.component.ts	0% <ø> (ø)	⬆️
lib/addons/src/make-decorator.ts	100% <ø> (ø)	⬆️
addons/backgrounds/src/components/ColorIcon.tsx	0% <ø> (ø)	⬆️
lib/theming/src/global.ts	0% <0%> (ø)	⬆️
.../storyshots-core/src/frameworks/angular/helpers.ts	0% <0%> (ø)	⬆️
.../backgrounds/src/containers/BackgroundSelector.tsx	0% <0%> (ø)	⬆️
lib/ui/src/keyboard/platform.ts	0% <0%> (ø)	⬆️
addons/actions/src/preview/withActions.ts	37.83% <0%> (-1.06%)	⬇️
lib/ui/src/keyboard/scanCode.ts	0% <0%> (ø)	⬆️
app/angular/src/client/preview/angular/helpers.ts	38.63% <0%> (ø)	⬆️
... and 10 more

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 745b6eb...611e582. Read the comment docs.