It looks like there was intent to me. The way he nonchalantly gets up slowly seems to indicate he's trying to make it look like nothing happened and also shows he's in no mad rush to take the penalty. Hawkins' arm is broken and his season is over. There's gotta be a citing charge at the very minimum for that.
The scary thing is so little has been said about it in the post-match reporting. There was a very awkward moment after the game when Cockerill clearly had a word with Clark about something. I'd have been terrified!!
They've got until the end of today or something to cite him so we shall see.. feels like BOD 2005 a little bit if he doesn't get cited.