fix(oui-input-group): support primary and secondary buttons
fix(oui-input-group): support primary and secondary buttons

Signed-off-by: Jimmy Fortin <f90543f1fea9f4dbbb3b91d3a3491946f2aee37b@corp.ovh.com>

ovh-ux/ovh-ui-kit,ovh-ux/ovh-ui-kit