feat(CheckboxGroup/RadioGroup): added prop "direction" to checkbox and radio groups

[nicmell]

Description

Added the prop "direction" (vertical|horizontal) to the RadioGroup and Checkbox group components.

CheckboxGroup:

-  CheckboxGroup component supports the prop "direction" to control the direction of the options elements.
- Fixed checkbox behaviour when input is controlled

RadioGroup:

-  RadioGroup component supports the prop "direction" t to control the direction of the options elements.

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