Received `true` for a non-boolean attribute `compact`

[fernandomg]

This issue is related to the Accordion component.

For some reason, it interprets compact as a string prop, despite it's being declared as boolean?

[katspaugh]

compact is indeed a boolean, and it's passed as a boolean. It's just that it's assigned to an internal div as a DOM property. The same type of issue as #104.

[katspaugh]

A solution to both this and #104 would be to use Transient props.

In this case, passing compact as $compact to the StyledAccordion.