Does VS Code not show the two sets in different interface elements? In Jetbrains Rider is shows suggestions (completion) in a dropdown, and it shows Copilot inline. And you press a different key for each.
I’m not sure which keybinds you have enabled (possibly through VS Studio style?), but in PyCharm/Rider for me (IDEA keybinds) both completions and Copilot use tab to complete, which as the user you replied to has said, tends to get in the way and trip me up as often as the relevant suggestions provide something of benefit.