Is it possible that your Dining room slide as been slightly out of alignment and your mishap bumped it back where it belongs? The slide topper shouldn't cause any issues unless it's spring was wound so tight as to put additional drag on the slide it's self.
We've had toppers on the last four units and no problem with the slides.
Michelle & Ann
2018 Chevy 3500HD Crew Cab High Country DRW, D/A, 2016 RW39MB, Dual ACs, Auto Level, Auto Sat Dish, Stack W/D, King Sleep #, 17.5" Sailuns w/Disc, MORryde IS & Pin, Comfort Ride Hitch, 5.5 Onan, Res Fridge & Induction Cook Top