[HOLD] Fixed colorpicker default value; refactored unit tests

[Blackbaud-SteveBrush]

Addresses: #1173

Refactored unit tests to accommodate new behavior.

[codecov-io]

Codecov Report

Merging #1223 into master will not change coverage.
The diff coverage is 100%.

@@          Coverage Diff           @@
##           master   #1223   +/-   ##
======================================
  Coverage     100%    100%           
======================================
  Files         355     355           
  Lines        6620    6621    +1     
  Branches      853     856    +3     
======================================
+ Hits         6620    6621    +1

Impacted Files	Coverage Δ
...odules/colorpicker/colorpicker-slider.directive.ts	100% <ø> (ø)	⬆️
.../modules/colorpicker/colorpicker-text.directive.ts	100% <ø> (ø)	⬆️
src/modules/colorpicker/colorpicker.component.ts	100% <100%> (ø)	⬆️
src/modules/colorpicker/colorpicker-classes.ts	100% <100%> (ø)	⬆️
...modules/colorpicker/colorpicker-input.directive.ts	100% <100%> (ø)	⬆️
src/modules/colorpicker/colorpicker.service.ts	100% <100%> (ø)	⬆️

---

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 3a47952...9372582. Read the comment docs.

[Blackbaud-SteveBrush]

Closing this; see reasoning here: #1173