Mercy should be able to crouch during rez

[Stunlaw-1687]

@JeffreyKaplan

Mercy is the 3rd most played hero in the current competitive season and in the game for the past month. Her win rate hovers very close to 50%.

We don’t feel like Mercy needs changes right now.

Keep playing her or stop playing her and get her buffed. Pick one Mercy mains.