StackView: Ability to reorder items with transition

Currently it is not possible to reorder items in a StackView though this may be useful for certain environments. Also pushed items (which are not the current) can't be removed or replaced.

I have items [A, B, C] on my stack but now want only [D]. Currently the only way is to clear() and push() where both don't start any transition.

Possible ways would be:

• Ability to prepend D so that I have [D, A, B, C] and can pop(D) which would result in a transition from C to D.
• Ability to push(D) with a extra property to clear all previous pages and run a transition from C to D.