The being able to move while time is stopped seems pretty basic for how these things are portrayed in other movies which is why your reaction stood out to me.
The clouds moving on the other hand seemed like a more original visual/concept me the novelty of the visual is what has me most interested. Coppola's Dracula is a flawed film, but continues to stand out for its unique visuals decades later.
Being able to move while time is stopped is totally normal, yes. otherwise what's the point?
It's just him returning back to a vertical position that made me chuckle. 🤷♂️