[player] Replace method calls of input services with events

...r/modules/key-input/components/keypad/keypad.component.ts

projects/player/src/app/classes/input-service.ts

...ompound-group-element/compound-group-element.component.ts

...ment-group-selection/element-group-selection.component.ts

...put-group-element/text-input-group-element.component.html

...input-group-element/text-input-group-element.component.ts

...components/floating-keypad/floating-keypad.component.html

...p/components/floating-keypad/floating-keypad.component.ts

...onents/layouts/player-layout/player-layout.component.html

...s/player/src/app/directives/text-input-group.directive.ts

projects/player/src/app/models/element-group.interface.ts

projects/player/src/app/models/text-input-component.type.ts

projects/player/src/app/services/input-service.ts

projects/player/src/app/services/keyboard.service.spec.ts

projects/player/src/app/services/keyboard.service.ts

projects/player/src/app/services/keypad.service.spec.ts

projects/player/src/app/services/keypad.service.ts