[Decisive Strike] Didn't active when skill check hit.
Description of the issue: When playing against a doctor and in level 3 mayhem, Decisive Strike did not stun the killer when the skill check was hit.
Steps to reproduce: Not sure
How often does this occur: Only happened to me once.
Link to video showcasing bug: https://www.youtube.com/watch?v=GnG-qFxllag&feature=youtu.be