Checkbox styles slightly inconsistent in NcActionCheckbox vs NcCheckboxRadioSwitch

[ChristophWurst]

NcActionCheckbox	NcCheckboxRadioSwitch

Left is smaller and thinner with smaller border radios.

[ShGKme]

Would you prefer to have style updated in NcAction?

[ChristophWurst]

@jancborchardt @marcoambrosini @nimishavijay ^

[jancborchardt]

Yup, NcAction should be updated, the slightly thicker ones are the new design. :)