hide method
Hide component.
Implementation
@override
void hide() {
var showing = isShowing;
content!.hidden = true.toJS;
if (content!.style.display != 'none') {
_styleDisplayPrevValue = content!.style.display;
content!.style.display = 'none';
}
if (content!.style.visibility != 'hidden') {
_styleVisibilityPrevValue = content!.style.visibility;
content!.style.visibility = 'hidden';
}
if (showing) {
_callOnHide();
}
}