[GAMEPLAY] Using touchscreen to level in game causes visual skill-leveling bug

On ARAM if you level up your abilities using a touchscreen, the new HUD bugs out, making it look like you have a permanent 'extra' point to level up the last skill you put a point in when the bug occurs. I could not put the "last point" in so it looked like I had 4 points in w, but I had 5 points (match history player build). I also couldn't always put points into w; thus the messed up leveling order.

I was playing Diana when I encountered this bug, but it happens on other champions too.

Steps to reproduce:

1. enter an ARAM game (I think it has to do with putting multiple points in too fast)
2. Use the touchscreen to level instead of ctrl q/w/e
3. The last skill you level will show as if you still have a point to put in for the rest of the game (even at level 18)

This happens 50% of the time.