feat(editor): add new Dual Input Editor & extract all Editor Validators

[ghiscoding]

• note that there are no supported dual input filter with dual input editor

Preview

[codecov]

Codecov Report

Merging #446 into master will not change coverage.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##            master      #446    +/-   ##
==========================================
  Coverage   100.00%   100.00%            
==========================================
  Files          141       147     +6     
  Lines         8957      9189   +232     
  Branches      2971      3053    +82     
==========================================
+ Hits          8957      9189   +232     

Impacted Files	Coverage Δ
...gular-slickgrid/editorValidators/floatValidator.ts	100.00% <100.00%> (ø)
...odules/angular-slickgrid/editorValidators/index.ts	100.00% <100.00%> (ø)
...lar-slickgrid/editorValidators/integerValidator.ts	100.00% <100.00%> (ø)
...ular-slickgrid/editorValidators/sliderValidator.ts	100.00% <100.00%> (ø)
...ngular-slickgrid/editorValidators/textValidator.ts	100.00% <100.00%> (ø)
...es/angular-slickgrid/editors/autoCompleteEditor.ts	100.00% <100.00%> (ø)
...dules/angular-slickgrid/editors/dualInputEditor.ts	100.00% <100.00%> (ø)
...p/modules/angular-slickgrid/editors/floatEditor.ts	100.00% <100.00%> (ø)
src/app/modules/angular-slickgrid/editors/index.ts	100.00% <100.00%> (ø)
...modules/angular-slickgrid/editors/integerEditor.ts	100.00% <100.00%> (ø)
... and 10 more

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