#616 Text-Input initial changes

[tomdye]

Type: feature

The following has been addressed in the PR:

• There is a related issue
• All code matches the style guide
• Unit or Functional tests are included in the PR

Description:

Initial work towards creating a material theme and improved Text-Input.

• merges enhanced-text-input and text-input
• adds new callbacks
• removed old callbacks
• removes getRootClasses abstraction
• tidies up functions
• inlines properties
• adds some extra classes for material theme
• updates other widgets to use new text-input api
• fixes tests
• moves text-input tests over to use assertionTemplate

Work Towards: #616

[codecov]

Codecov Report

Merging #621 into master will decrease coverage by 1.19%.
The diff coverage is 98.82%.

@@            Coverage Diff            @@
##           master     #621     +/-   ##
=========================================
- Coverage   99.05%   97.86%   -1.2%     
=========================================
  Files          43       42      -1     
  Lines        3274     3225     -49     
  Branches      900      894      -6     
=========================================
- Hits         3243     3156     -87     
- Misses         31       69     +38

Impacted Files	Coverage Δ
src/grid/widgets/Cell.ts	85.71% <ø> (-14.29%)	⬇️
src/grid/widgets/Header.ts	96.15% <0%> (-3.85%)	⬇️
src/text-area/index.ts	100% <100%> (ø)	⬆️
src/text-input/index.ts	100% <100%> (ø)	⬆️
src/time-picker/index.ts	100% <100%> (ø)	⬆️
src/combobox/index.ts	88.13% <100%> (-11.87%)	⬇️

---

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[codecov]

Codecov Report

Merging #621 into master will decrease coverage by 1.19%.
The diff coverage is 98.82%.

@@            Coverage Diff            @@
##           master     #621     +/-   ##
=========================================
- Coverage   99.05%   97.86%   -1.2%     
=========================================
  Files          43       42      -1     
  Lines        3274     3225     -49     
  Branches      900      894      -6     
=========================================
- Hits         3243     3156     -87     
- Misses         31       69     +38

Impacted Files	Coverage Δ
src/grid/widgets/Cell.ts	85.71% <ø> (-14.29%)	⬇️
src/grid/widgets/Header.ts	96.15% <0%> (-3.85%)	⬇️
src/text-area/index.ts	100% <100%> (ø)	⬆️
src/text-input/index.ts	100% <100%> (ø)	⬆️
src/time-picker/index.ts	100% <100%> (ø)	⬆️
src/combobox/index.ts	88.13% <100%> (-11.87%)	⬇️

---

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 f55a9be...66b76d0. Read the comment docs.