Pretty sure that's already happening as they're already guaranteed to host games, and FIFA won't allow games to be played on turf. This is just for the actual final.
I didn't think I needed the /s at the end of that post
Of course FIFA won't allow games on turf. They actually care about the injury risk, rather than airing commercials about how new helmet tech is reducing the total percentage of concussions because they care about player safety.