You should be able to use that option (Debug Controls) using the Ctrl key on your keyboard. Notice that, if you have Dash and Grenade abilities learned, you won't be able to use Debug Controls since Ctrl will, by default, do a dash (if Dash learned) or nothing (if you disable Dash, but still have Grenade learned.) Try to disable both of those two abilities from the debug menu each time you want to reposition yourself to practice a segment of the game or whatever. Then, enable them again if you need to use them when practicing. That's what I do, at least. I hope this helps!