fuseHoverEffect function
Calls fn when hover enters this component.
/// The fn may optionally return a cleanup function that is called when the hover exits.
Implementation
void fuseHoverEffect(FuseHoverEffectFn fn) {
Function()? cleanup;
fuseHoverEnter(() {
cleanup = fn();
});
fuseHoverExit(() {
cleanup?.call();
cleanup = null;
});
}