Call onDismiss when FullscreenView is dismissed

[vdka]

I noticed my onDismiss wasn't called when I used .present(isPresented: $showOverlay, style: .overFullscreen, onDismiss: reset) { ... } this PR addresses that by passing onDismiss to FullscreenView and from FullscreenView to FullscreenWrapper then calling onDismiss in the onDismiss closure passed to:

func viewController<V: View>(rootView: V, isModal: Bool, transition: UIModalTransitionStyle, style: UIModalPresentationStyle, onDismiss: (() -> Void)?) -> UIViewController

[shaps80]

Nice one! I will properly review and test ASAP but this looks good at a glance, thanks for this!

[shaps80]

Hmmm so I grabbed your PR and tested and for me it doesn't appear to fix the issue. Can you provide (on the original Issue) a working demo. I'll add mine as well in case I've missed your point. But I think mine demonstrates there is indeed an issue here nonetheless.