Will all be forgotten about in a few days.
It most certainly won't. These things are converted to gifs and they circle the web for years. And especially when it involves Messi.
In fact, I'd bet that there will be more talk tomorrow in the media about the incident than about who scored or what the result was.
If Ronaldo punching two players consecutively stopped being a thing couple of days after then I don't see why this would become that big.