Update 2025/01/30
EA has implemented a non-fix for this. This means that the items are no invisible (most of them) but still there. The overlapping festivals seem fixed but the objects are not....
Ideas
While following your instruction of S4S of how to get rid of the littering coffee cupcake and plates, i encounter the problem that the objects name in the zone that i tried to clean have no name, i wouldn't be able to identify which is which.
Do you use CC-Objects?