Cascading upwards should generally only happen in 2 cases - data changes (changing an element’s link or the source of an image for example) or structural changes (for example, when you stack elements together or move an element to a different cell, you’re changing the page structure and it is reflected across all breakpoints).
I’d recommend taking a read over this article - Studio Editor: Designing Across Breakpoints | Help Center | Wix.com.
As I mentioned, if this isn’t the case, it’s something that’s worth reporting via the steps outlined here.