Mark the radio group touched after losing focus from any input

[johnhwhite]

No description provided.

[blackbaud-ado]

Preview build at https://developer.blackbaud.com/skyux-forms?_sp.spa=pr-radio-group-mark-touched-after-blur

[blackbaud-ado]

Preview build at https://developer.blackbaud.com/skyux-forms?_sp.spa=pr-radio-group-mark-touched-after-blur

[blackbaud-ado]

Preview build at https://developer.blackbaud.com/skyux-forms?_sp.spa=pr-radio-group-mark-touched-after-blur

[codecov]

Codecov Report

Merging #257 (bfce759) into master (901812f) will not change coverage.
The diff coverage is 100.00%.

@@            Coverage Diff            @@
##            master      #257   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           36        36           
  Lines         1054      1060    +6     
  Branches       202       202           
=========================================
+ Hits          1054      1060    +6     

Impacted Files	Coverage Δ
.../app/public/modules/radio/radio-group.component.ts	100.00% <100.00%> (ø)
src/app/public/modules/radio/radio.component.ts	100.00% <100.00%> (ø)

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[blackbaud-ado]

Preview build at https://developer.blackbaud.com/skyux-forms?_sp.spa=pr-radio-group-mark-touched-after-blur

[Blackbaud-SteveBrush]

I would just make this a public property, instead of masking the EventEmitter with an Observable getter.

/**
 * @internal
 */
public blur = new Subject<void>();

[blackbaud-ado]

Preview build at https://developer.blackbaud.com/skyux-forms?_sp.spa=pr-radio-group-mark-touched-after-blur