fix(pf4): migrate to css for select styles.

[Hyperkid123]

closes #59

• use scss instead of css in JS for pf4 select component.

[codecov-io]

Codecov Report

Merging #60 into master will decrease coverage by 0.43%.
The diff coverage is 80%.

@@            Coverage Diff             @@
##           master      #60      +/-   ##
==========================================
- Coverage    83.2%   82.76%   -0.44%     
==========================================
  Files          73       79       +6     
  Lines        1280     1271       -9     
  Branches      302      302              
==========================================
- Hits         1065     1052      -13     
- Misses        184      188       +4     
  Partials       31       31

Impacted Files	Coverage Δ
...-component-mapper/src/form-fields/select/select.js	100% <ø> (+3.84%)	⬆️
...4-component-mapper/src/form-fields/select/input.js	0% <0%> (ø)
...t-mapper/src/form-fields/select/value-container.js	100% <100%> (ø)
...apper/src/form-fields/select/dropdown-indicator.js	100% <100%> (ø)
...apper/src/form-fields/select/multi-value-remove.js	100% <100%> (ø)
...er/src/form-fields/select/multi-value-container.js	100% <100%> (ø)
...-component-mapper/src/form-fields/select/option.js	66.66% <66.66%> (ø)
...t-mapper/src/form-fields/select/clear-indicator.js	80% <80%> (ø)
... and 5 more

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[rvsia]

blank line

[rvsia]

blank line II.

[rvsia]

blank line III.

[rvsia]

Looks and works great! Just a few unnecessary lines! 🍨