* migrate to DialogService
* use static method
* add reactive form dependencies
* begin migrating to reactive forms
* migrate template inputs to use CL
* update set-pin.component.ts file to work with reactive forms
* migrate desktop template and class file to Dialog and ReactiveForms
* update settings page
* remove old properties
* update settings form upon dialog close
* refactor ngOnInit()
* remove duplicate validator (already have a validator in class file)
