Unfortunately, it’s not the same result. Your editing is different from what was done in the file I shared.
I’ve posted your video on Tiktok and the video with the bug. Try skipping 4s and you’ll see what I’m talking about. It’s a 6s video that behaves like 0.2s.
Video without glitch:
https://vm.tiktok.com/ZMMJ8kprM/
Glitch video:
https://vm.tiktok.com/ZMMJ8fW6q/
It’s quite unusual in Tiktok.